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Agilent Technologies 81637B User's Manual

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1. Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module User s Guide pi KE S ite 2 J ag pe Agilent Technologies R Notices This document contains proprietary information that is protected by copyright All rights are reserved No part of this document may reproduced in including electronic storage and retrieval or translation into a foreign language without prior agreement and written consent from Agilent Technologies Deutschland GmbH as governed by United States and international copywright laws Copyright 2001 2602 by Agilent Technologies Deutschland GmbH Herrenberger Str 130 71034 B blingen Germany Subject Matter The material in this document is subject to change without notice Agilent Technologies makes no warranty of any kind with regard to this printed material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Printing History New editions are complete revisions of the guide reflecting alterations in the functionality of the instrument Updates are occasionally made to the guide between editions The date on the title page changes when an updated guide is published To find out the current revision of the
2. 57 Enable Attyl 58 Switch one range up to the 30 dBm range and note both power readings 15 59 Switch one range down 40 dBm and note the power readings again 16 60 Increase the attenhation of Atty1 by 10 dB and note the results in the test record 17 61 On the DUT switch one range down to the 50 dBm range Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 39 62 Decrease the attenuation of Atty2 by 10 dB in order to be on the upper limit of the 50 dBm range 50 dBm Range 63 Disable Atty1 64 Zero both Power Meters On the 8163A B with two installed power meters press Menu move to lt Zero all gt and press Enter 65 Enable Atty 66 Switch one range up to the 40 dBm range and note the power readings 18 67 Switch one range down 50 dBm and note the power readings 19 68 Increase the attenuation of Attyl by 10 dB and note the results in the test record 20 Calculation 69 Calculate the non linearity using the formulas given in the test records Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Test Procedures Example Measurement Results oo 405 10 47 210 10 215 1 Value 74 40 5 10 54 592 2 828 inRange 74 133 1 47 196 2 829 RangeDisc lower limit 0 4 47 196 2 829 RangeDisc upper limit 5 1
3. Theoretically both Power Meters are monitoring the power ratio over the variable wavelength in a predefined range as shown in Figure 10 Ensure that the tunable laser source is mode hop free in the tested wavelength range Figure 10 Interference Ripple 50 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Test Record Sheets Performance Test for the Agilent 816308 Page 1 of 3 Model Agilent 81630B Sensor Module___ Serial No Options Firmware Rev Test Facility Performed by Special Notes Agilent 81630B 4B 68 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Date Ambient Temperature Relative Humidity Line Frequency Customer Report No C Hz 51 Performance Test for the Agilent 81630B Page 2 of 3 Description tal Lightwave Multimeter Std 1a2 Lightwave Multimeter DUT 1b TLS Mainframe 2 CW Laser Source 3a Opt Head Interface Module 3b Optical Head Reference 4 Sensor Module 5a Optical Attenuator 5b Optical Attenuator Return Loss Module 79 Accessories Singlemode Fibers Connector Interfaces Connector Adapters Test Equipment Used Model No Trace No Agilent 8163A B Agilent 8163A B Agilent 816A 4B Agilent 81657A 81618A 81624B 81630B 8156A 221 8156A 101 81613A Product Product 81101AC 1 8111350 3 81000Al 3 81 000F1 4 81000AA Cal Due Date Product 8111
4. Customer Report No C Hz 61 Performance Test Performance Test for the Agilent 816368 Page 2 of 3 Description tal Lightwave Multimeter Std 1a2 Lightwave Multimeter DUT 1b TLS Mainframe 2 CW Laser Source 3a Opt Head Interface Module 3b Optical Head Reference 4 Sensor Module 5a Optical Attenuator 5b Optical Attenuator 6 Return Loss Module 7 8 9 10 Accessories Singlemode Fibers 2 Connector interfaces 4 Connector Adapters 1 Test Equipment Used Model No Trace No Agilent 8163A B Agilent 8163A B Agilent 81644 B Agilent 81657A Agilent 81618A Agilent 81624B Agilent 81634B Agilent 8156A 221 Agilent 81564 101 Agilent 81613A Product 81101AC 1 81000AI 3 81000AA Product 811138C 3 81000FI 4 Product 81113PC 81000SI 62 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Test for the Agilent 816368 Page 3 of 3 Model Agilent 81636B Sensor Module Test No Test Description l Accuracy Test measured at sam 1316nm Output Power measured at nm 1550nm Output Power I Linearity Test Range Ppyr dBm Poy dBm 10 9 10 3 0 3 0 7 10 7 10 17 20 17 Reference 20 27 30 27 30 37 40 37 40 47 50 47 50 57 Ii Noise Test pW IV Return Loss Test dB 40 dB lt Report No Min Spec Result MW 9 64 uW o 964UW For Calculations you may want to use the appropriat
5. Standard single mode fiber angled connector min 8 hy T 23 C 5 C 8 For wavelengths gt 1600 nm add 0 08 nm 9 For input power gt 2 mW add 0 02 dB Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 23 Agilent 81636B amp 81637B Specification Table4 Fast Optical Power Sensor Module Specifications Power Range 10 to 80 dBm 10 to 80dBm i Standard SM and MM up to 62 5 um Standard SM and MM up to 100 pm Applicable Fiber Type core size NA lt 0 24 core size NA lt 0 3 Uncertainty accuracy at Reference Condi 3 3 tions 1260 nm to 1630 nm 1260 nm to 1630 nm z IBRETOPW LEED PW Total Uncertainty 1260 nm to 1630 nm 1260 nm to 1630 nm Relative Uncertainty Due to Polarization 3 0 015 dB typical lt 0 005 dB Spectral Ripple due to interference 0 015 dB typical lt t 0 005 dB Linearity power W 10 to 60 dBm W 10 to 60 dBm 1260 to 1630 nm 1260 to 1630 nm at 23 C 5 C lt 0 02 dB 20 pw lt 0 02 dB 20 pw at operating temp range lt 0 06 dB 20 pw lt 0 06 dB 20 pw Return Loss Noise peak to peak 5 5 i Averaging Time minimal Dynamic Range at manual range mode at 10 dBm Range typ gt 55 dB typ gt 55 dB at 0 dBm Range typ gt 55 dB typ gt 55 dB at 10 dBm Range typ gt 52 dB typ gt 52 dB at 20 dBm Range typ gt 45 dB typ gt
6. 7 8 aaa g 19 Accessories Singlemode Fibers gt NN tt Connector Interfaces Connector Adapters Test Equipment Used Model No Trace No Agilent 8163A B Agilent 8163A B Agilent 8164A B Agilent 81657A Agilent 81618A Agilent 816248 Agilent 81634B Agilent 8156A 221 Agilent 81585A 101 Agilent 81613A Product Product Product B1101AC 1 811138 3 81113P 81000A 3 8 1000F I 4 810008 81000AA 56 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Test for the Agilent 816348 Page 3 of 3 Model Agilent 81634B Sensor Module Report No Date Test Measurement Un No Test Description Min Spec Result Max Spec certainty I Accuracy Test uw measured at nm 9 69 pW 10 31 uW 1310nm Output Power measured at nm 9 69 pW 10 31 pW 1550nm Output Power l Linearity Test For Calculations you may want to use the appropriate sheet Range Poy dBm Pour dBm Loss 10 9 lt 0 35 10 3 lt t 0 35 0 3 lt 0 35 0 7 lt 0 35 10 7 EES lt t 0 35 10 47 lt 0 35 20 17 Reference 0 0 lt t 0 35 20 27 lt t 0 35 30 27 lt t 0 35 30 37 lt t 0 35 40 37 lt 0 35 40 47 lt 0 35 50 47 lt 0 35 50 57 lt 0 36 i Noise Test pW lt 0 2 pW IV Return Loss Test dB 55 dB lt V Relative Uncertainty due to Polarization _ dB Maximum difference in interval i lt
7. surface of an inserted fiber Prolerred Procedere Use the following procedure on most occasions 1 Blow away any dust or dirt with compressed air Procedere fer Stubborn Birt Use this procedure particularly when there is greasy dirt on the adapter 1 Clean the adapter by pushing and pulling a new dry pipe cleaner into the opening Rotate the pipe cleaner slowly as you do this CAUTION Be careful when using pipe cleaners as the core and the bristles of the pipe cleaner are hard and can damage the adapter 2 Clean the adapter by rubbing a new dry cotton swab over the surface using a small circular movement l 3 Blow away any remaining lint with compressed air Agilent 81630B 4B 6B 78 Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 79 Preferred Procedure fracedure for Stubbern Beit CAUTION How to clean lenses Some lenses have special coatings that are sensitive to solvents grease liquid and mechanical abrasion Take extra care when cleaning lenses with these coatings Lens assemblies consisting of several lenses are not normally sealed Therefore use as little alcohol as possible as it can get between the lenses and in doing so can change the properties of projection Use the following procedure on most occasions 1 Clean the lens by rubbing a new dry cotton swab over the surface using a smali circular movement 2 Blow away any remaining lint with compressed a
8. 45 dB a E eel To CW 10 to 60 dBm CW 10 to 60 dBm Linearity power at manual range mode 1260 to 1630 nm 1260 to 1630 nm at 10 dBm Range typ lt 4 0 02 dB 50 nW typ lt 0 02 dB 50 nW at 0 dBm Range typ lt 0 02 dB 5 nW typ lt 4 0 02 dB 5 nW at 10 dBm Range typ lt t 0 02 dB 1nW typ lt 0 02 dB 1 nW at 20 dBm Range typ lt 0 02 dB 500 pW typ lt 0 02 dB 500 pW g Sigaals oo Only manual range mode 7 include Operating Temperature Humidity Non condensing Warm up time 20 minutes 24 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Table 4 Fast Optical Power Sensor Module Specifications Agilent 816368 eference Conditions Power level 10 W 20 dBm continuous wave CW e Fiber 50 um graded index NA 0 2 Ambient temperature 23 C 5 C On day of calibration add 0 3 for ageing over one year add 0 6 over two years Spectral width of source lt 10 nm FWHM Wavelength setting at Power Meter must correspond to source wavelength 0 4 nm Operating Conditions Fiber lt 50 um NA lt 0 2 Within one year of calibration add 0 3 for second year Add 1 for Biconic connector Operating temperature as specified humidity non condensing states of polarization at constant wavelength 1550 nm 30 nm and con
9. 46 ten ga Relative Uncertainty due to Polarization Optional Test The performance test Relative Uncertainty due to Polarization is optional since the polarization is given with the production of the unit by mechanical and optical cavities and stays unchanged by normal use of the sensor module Below you will find the test setup to verify the relative uncertainty due to polarization of the sensor module Generally during this measurement procedure the tunable laser source is swept through a predefined wavelength range After every wavelength step a single PDL measurement is made where the polarization controller generates all different polarization states The highest PDL value is taken as the relative uncertainty due to polarization The low output power path of the coupler is used to monitor the power stability of the setup Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition GPIB cro Mainframe 8163A B w 81533B and 81521B Optical Head Ref special ct E E is BS Approved IF free optical head angled connector a lt 99 8111380 Mainframe 8163B w 8163xA B Sensor Polarization Ctrl 11896A Module DUT Figure8 Measurement Setup for PDL Test Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 47 48 FG Pi Relative Uncertainty due to Interference Optio
10. dBm dua channel Fast Power Sensor 81000BB Bare Fiber Kit fits inte connector interfaces B1000Ai 81000F 81890x 8108051 81000V1 87000PI Follawing single Combination is available 81000F FC 81080FB Bare Fiber Adapter bare fiber Figure 2 Recommended Connector interfaces and Bare Fiber Adapters Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 15 sand Options Connector Interfaces Table Connector interfaces 81000AI Diamond HMS 10 81000FI FC PC SPC 8 1000GI D4 81000JI SMA 81000KI SC APC 81000NI FC APC 81000PI E 2000 81000SI DIN 47526 81000VI ST 81002LI LC Bare Fiber Adapters Table2 Connector Interface and Bare Fiber Adapter Combinations 81000FI 81000A1 81000FB 81000BB Bare Fiber Adapter Bare Fiber Adapter Kit FC Diamond HMS 10 81000F 1 FC PC SPC 81000K1 SC PC APC 8100081 DIN47258 4108 6 1000V1 ST 81000P1 E 2000 Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Specifications Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Duat Power Sensor Module Second Edition 17 Agilent 816380B 4B 6B 7B Power Sensor Modules and the Agilent 81635A Dual Power Sensor Module are produced to the ISO 9001 international quality system standard as part of Agilent s commitment to continually
11. guide or to purchase an updated guide contact your Agilent Technologies representative Control Serial Number First Edition applies directly to all instruments Warranty This Agilent Technologies instrument product is warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period Agilent will at its option either repair or replace products that prove to be defective For warranty service or repair this product must be returned to a service facility designated by Agilent Buyer shall prepay shipping charges to Agilent and Agilent shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to Agilent from another country Agilent warrants that its software and firmware designated by Agilent for use with an instrument will execute its programming instructions when properly installed on that instrument Agilent does not warrant that the operation of the instrument software or firmware will be uninterrupted or error free Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance No other warranty is expressed
12. increasing customer satisfaction through improved quality control Specifications describe the modules and heads warranted performance Supplementary performance characteristics describe the modules and heads non warranted typical performance Because of the modular nature of the instrument these performance specifications apply to these modules and heads rather than the mainframe unit Definition of Terms This section defines terms that are used both in this chapter and Performance Tests on page 29 Generally all specifications apply for the given environmental conditions and after warmup time Measurement principles are indicated Alternative measurement principles of equal value are also acceptable Averaging Time Time defining the period during which the power meter takes readings for averaging At the end of the averaging time the average of the readings is available display or memory update Symbol Tovg Linearity The linearity error is defined as the relative difference between the displayed power ratio D Do and the actual true power ratio P Py caused by changing the displayed power level from the reference level Do to an arbitrary displayed level D Symbol N if expressed in i RA soe ijl P P Jio Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81835A Dual Power Sensor Module Second Edition Definition of Terms if expressed in dB Conditions refe
13. on enable the laser source and allow the instruments to warm up for at least 20 minutes 6 Perform the following sub procedure for both Power Meters a Move to the Power Meter channel b Move to the wavelength parameter A press Enter enter the wavelength of the laser source and press Enter Move to the calibration parameter CAL press Enter set the calibration parameter to zero and press Enter d Move to the averaging time parameter AvgTime press Enter move to lt 500 ms gt and press Enter e Move to the power parameter P press Pwr unit move to lt Watt gt and press Enter 7 Make sure the optical input of the Device Under Test DUT l 8163xA is not receiving any light by placing a plastic cap over the input Move to the DUT Power Meter channel press Menu move to lt Zero gt press Enter 34 Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 8 Ensure that the Agilent 8156A output is disabled Move to the reference Power Meter channel 81624B 81618 lt A press Menu move to lt Zero gt press Enter Enable the Agilent 8156A output and change the attenuation until the reference Power Meter displays 10 00 uW 10 Connect the attenuator output cable to the DUT Power Meter Note the power value returned from the DUT P from the display and note the result in the test record 11 Move to the Laser Source channel move to the wavelength p
14. or pressure you can also use an optical clean polymer film This procedure is time consuming but you avoid scratching or destroying the surface 1 Put the film on the surface and wait at least 30 minutes to make sure that the film has had enough time to dry 2 Remove the film and any dirt with special adhesive tapes If your lens is sensitive to water then 1 Moisten the lens or the mirror with isopropyl alcohol 2 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 3 Blow away remaining lint with compressed air Other Cleaning Hints Selecting the correct cleaning method is an important element in maintaining your equipment and saving you time and money This Appendix highlights the main cleaning methods but cannot address every individual circumstance This section contain some additional hints which we hope will help you further For further information please contact your local Agilent Technologies representative Before you make any connection you must ensure that all lightwave cables and connectors are clean If not then use appropriate the cleaning methods When you insert the ferrule of a patchcord into a connector or an adapter ensure that the fiber end does not touch the outside of the mating connector or adapter Otherwise the fiber end will rub up against something which could scratch it and leave deposits Agilen
15. 285 1 000230285 0 05 1 86853E 05 10 00460623 10 00891014 G 0 07 1 87025E 05 C O 19 1 86294E 05 1 86982E 05 100023028 0 09 1 86896E 06 10 00460623 0 09 GTE The Nonlinearity is calculated recursively using n 10 as reference point The formula is A XB xX NL 1 1 fora lt 10 N om 4 xB X NL 1 1 for n gt 10 42 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Linearity of 81635A Channel 1 Nonlinearity Optical Power dBm ee Figure 5 Linearity Test Noise Test 1 mJ RR aE Insert the device under test a 8163xA B Power Sensor into a slot of the 8163A B mainframe Make sure the optical input of the Device Under Test DUT 8163xA is not receiving any light by placing a plastic cap over the input Move to the DUT Power Meter channel press Menu move to lt Zero gt and press Enter Press Appl move to lt Stability gt and press Enter The Stability Setup Screen appears Ensure that the correct channel is selected in the upcoming Module Selection box Press Menu to access the Logging application menu screen Move to lt Pwr unit gt press Enter move to lt W gt and press Enter Move to lt AvgTime gt press Enter move to lt 1 s gt and press Enter l Move to lt Range mode gt press Enter move to lt Auto gt and press Enter and press Close Press the Parameter soft
16. 3PC 810005 52 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Test for the Agilent 816308 Page 3 of 3 Medel Agilent 81630B Sensor Module Test No Test Description l Accuracy Test measured at nm 1310nm Output Power measured at nm 1550nm Output Power Ik Linearity Test Range Ppyr dBm Pour dBm 20 10 10 10 10 3 0 3 0 7 10 7 10 17 20 17 Reference 20 27 30 27 30 37 40 37 40 47 Hi Noise Test IV Return Loss Test V Relative Uncertainty due to Polarization Maximum difference in interval 1520 nm 1580 nm 0 75 nm step AP VE Relative Uncertainty due to Interference Maximum difference FSR in interval 1520 om 1580 nm 10 pm step AP Report No Min Spec 9 64 uW 9 64 uW 95 dB lt i Result mW Loss Ce Meee emae m m pW dB dB dB Date Max Spec 10 36 pW 10 36 pW For Calculations you may want to use the appropriate sheet lt 1 241 lt 4 1 16 lt i 1 16 lt t 1 16 lt t 1 16 lt 1 16 lt 1 17 lt 1 17 lt t 1 22 lt 1 22 lt t 1 76 lt 1 76 lt t 7 17 lt 1 2 nW lt 0 01 dB lt 0 005 dB Measurement Un certainty Agilent 816308 48 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 53 4 The 20 dBm range measurement is only performed to
17. 5A Dual Power Sensor Module Second Edition TI 78 Vhich Cleaning Procedure shot Preierrea Procedure Use the following procedure on most occasions 1 Clean the connector by rubbing a new dry cotton swab over the surface using a small circular movement 2 Blow away any remaining lint with compressed air Pranedare for Stubborn Dirt Use this procedure particularly when there is greasy dirt on the connector 1 Moisten a new cotton swab with isopropyl alcohol 2 Clean the connector by rubbing the cotton swab over the surface using a small circular movement 3 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 4 Blow away any remaining lint with compressed air Ag amp bernative Precedurs A better more gentle but more expensive cleaning procedure is to use an ultrasonic bath with isopropyl alcohol 1 Hold the tip of the connector in the bath for at least three minutes 2 Take a new dry soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 3 Blow away any remaining lint with compressed air How to clean connector interfaces CAUTIO N Be careful when using pipe cleaners as the core and the bristles of the pipe cleaner are hard and can damage the interface Do not use pipe cleaners on optical head adapters as the hard core of normal pipe clean
18. 7 4 33 1 0 57 186 7 162 inRange 6 RangeDisc lower limit 8 27 4 23 1 InRange 10 27 4 13 1 20 RangeDisc upper limit mo Ba a Ta 27 162 InRange 12 1374 3i 20 RangeDisc lower limit 13 374 13 1 30 27 162 RangeDisc upper limit 14 474 3 1 30 inRange 15 135 8 16 5 30 47292 37 281 RangeDisc lower limit 35 6 16 5 40 47 293 37 282 RangeDisc upper limit 17 145 6 16 5 40 InRange 18 456 65 40 47 281 RangeDisc lower limit 19 1456 65 50 47 282 RangeDisc upper limit m fe es je mange Agilent 816308 4B 8B 78 Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 41 Calculations 0 182725854 0 182515604 0 16 1 917785364 Ue Ca aura o5 an 4 1 90722E 05 1 918227002 5 1 91161E 06 0 192220632 e eoem AE aE E 0 100230524 0 100207448 0 05 Rya1 Ra 0 192132131 0 999769768 0 999769768 9 02 7 1 90678E 05 0 192087896 0 100253605 0 100230524 0 02 8 1 91161E 06 0 01925307 T a 9 1 90722E 05 0 01925307 0 999769768 0 999769768 0 00 1 90678E 05 0 019248638 Reference Level en eee 1 90502E 06 0 001922206 10 00921458 10 01382506 0 05 12 1 90195E 05 0 001922649 a i 1 90152E 05 0 001922206 1 000230285 1 000230285 005 SS 14 1 89977E 06 10 00921458 10 00921458 0 05 15 1 86552E 05 oi 0 000186982 1 000230
19. 81630B 48 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 59 Performance Test for the Agilent 81635A Page 3 of 3 Model Agilent 81635A Sensor Module Report No Date Test Min Max Measurement No Test Description Spec Result Spec Uncertainty I Accuracy Test pW measured at______ nm 9 64 uW EION 10 36 pW 1310nm Output Power measured at nm 9 64 uW obs fetes 10 36 pW 1550nm Output Power ll Linearity Test For Calculations you may want to use the appropriate sheet Range Ppyr dBm Pout ldem Loss 10 9 ee eee lt 0 92 10 3 pleted lt t 0 46 0 3 eee lt 0 46 0 7 oen lt t 0 46 10 7 pe SRN lt t 0 46 10 17 lt t 0 46 20 17 Reference 0 8 lt 4 0 46 20 27 a lt t 046 30 27 C lt 0 46 30 37 a lt t 0 47 40 37 ree lt 0 47 40 47 ae lt 0 56 50 47 EOR lt 0 56 50 57 lt t 1 46 i Noise Test pW lt 20 pw IV Return Loss Test dB 40 dB lt 60 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Test Record Sheets Performance Test for the Agilent 81636B Page 1 of 3 Model Agilent 81636B Sensor Module___ Serial No Options Firmware Rev Test Facility Performed by Special Notes Agilent 81830B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Date Ambient Temperature Relative Humidity Line Frequency
20. Modules and Agilent 81635A Dual Power Sensor Module Second Edition 21 sioi Power Sensor Specifications Autorange M Power Sensor Specifications Autorange Mode Agilent 81635A amp 81634B Specification Table 3 Power Sensor Module Specifications Sensor Element aAs dual inGaAs Wavelength Range 300 1650nm SS 800 1700 nm Standard SM and MM up to 62 5 um core size Standard SM and MM up to 100 um core size Applicable Fiber Type NA lt 0 24 NA lt 03 Uncertainty accuracy t3 2 5 at Reference Conditions 1 1200 nm to 1630 nm 1600 nm to 1630 nm Total Uncertainty 5 20 pw g 4 5 0 2 pW 1208 nm to 1630 nm 1060 nm to 1630 nm Relative Uncertainty Due to Polarization 0 015 dB typical lt 0 005 dB Spectral Ripple due to in 0 015 dB typical lt t 0 005 dB terference 4 Linearity power B CW 10 to 60 dBm 1200 to 1630 nm CW 10 to 90 dBm 1000 to 1630 nm at 93 C 5 C lt 0 02 dB 20 pw lt 0 015 dB 0 2 pw i at operating temp range lt 0 06 dB 20 pw lt 0 05dB 0 5 pw Return Loss gt 40 dB gt 55 dB Noise peak to peak lt 20 pw lt 0 2 pW Averaging Time 100 us 100 us minimal Analog Output none included Dimensions H x W x D 75 mm x 32 mm x 335 mm 2 8 x 1 3 x 13 2 Weight 0 5 kg Recalibration Period 2 years 10 C to 40 C 0 C to 45 C Operating Temperature Humidity Non condensing W
21. X X X Cable Tunable Laser Source Agilent 8164A B and o o 0 8168E F 022 Agilent 81680A 022 Polarization Controller 11896A o oO 0 Wavelength Independent Special Tool 0O 0 0 Coupler 3 dB Best IF Adapter Special Tool o o o Singlemode Fiber Agilent 81101AC 2 each xX X X X X Agilent 81113PC 3 each X 2 X X xX Agilent 81113SC 1 each X X X X X Connector Adapters Agilent 81000AA 1 each x X X X x Connector interfaces Agilent 81000A1 4 each x X X X Xx Agilent 81000FI 3 each x x xX xX x Agilent 81000SI 4 each X X X X X Plastic Cap PN 5040 9351 X X X X X Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 31 Test Record Results of the performance test may be tabulated on the Test Record provided at the end of the test procedures It is recommended that you fill out the Test Record and refer to it while doing the test Since the test limits and setup information are printed on the Test Record for easy reference the record can also be used as an abbreviated test procedure if you are already familiar with the test procedures The Test Record can also be used as a permanent record and may be reproduced without written permission from Agilent Technologies Test Failure If the Agilent 81630B 4B 5B 6B 7B fails any performance test return the instrument to the nearest Agilent TechnologiesSales Service Office for repair Instrument Specific
22. add 0 6 per nm if 1060 nm is not the center wavelength Relative Uncertainty Due to Polarization 3 lt t 0 01 dB Spectral Ripple due to in lt t 0 005 dB terference 4 en Linearity power CW 28 to 50 dBm 970 1630 nm at 23 C 5 C lt 0 05 dB 1 2nw8 at operating temp range lt 0 15 dB 1 2 nw Return Loss gt 55 dB Noise peak to peak lt 1 2nW Averaging Time 100 ps minimal Analog Output included Dimensions Hx W xD 75mm x 32 mm x 335 mm 2 8 x 1 3 x 13 2 Weight 0 6 kg Recalibration Period 2 years Operating Temperature 0 C to 36 C Humidity non condensing Warm up time 20 minutes Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Power Sensor Specifications Autorange Mode 1 Reference Conditions Power level 80 LW continuous wave CW SM Fiber 9 pm graded index NA 0 1 a Ambient temperature 23 C 5 C s On day of calibration add 0 3 for ageing over one year add 0 6 over two years i Spectral width of source lt 10 nm FWHM Wavelength setting at Power Meter must correspond to source wavelength 0 4 nm 2 Operating Conditions Fiber lt 50 um NA lt 0 2 Within one year of calibration add 0 3 for second year Add 1 for Biconic connector e Operating temperature as specified humidity non condensing 3 All stat
23. arameter A press Enter select the longer wavelength source and press Enter 12 Repeat steps 4 to 10 at the second wavelength with the corresponding source Linearity Test Mainframe 8163A B w 81634B Mainframe 8163A B w 81657A FLS REF and 8163xA B DUT 81634B 816348 8163A B Cia GG oS J Ea ES GSI ea 81113PC 81113SC Optical Attenuator 8156A 221 Optical Att 8156A 101 _81113PC Figure4 Measurement Setup for Power Linearity AGTE Do not turn the laser off during the measurement Clean all connectors carefully before you start with the measurement Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Duat Power Sensor Module Second Edition 35 Test Setup 1 Make sure that cable connector detectors and adapters are clean 2 Make sure that you perform this test in a temperature controlled environment with temperature fluctuations less than 1 C 3 Setup the equipment as shown in Figure 4 Disable both attenuators and enable the laser source where the source wavelength is chosen to 1550 nm If you are using the 81657A move to the wavelength parameter A press Enter select the longer wavelength source 1550 nm nominally and press Enter 4 Set the wavelength of both attenuators to the same wavelength as the iaser source 5 Perform the following sub procedure for both Power Meters Move to the Power Meter channel b Move to the wavelength parameter A press Enter enter th
24. arm up time 20 minutes 22 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Power Sensor Specifications Autorange Mode Table 3 Power Sensor Module Specifications 1 Reference Conditions Power level 10 uW 20 dBm continuous wave CW Fiber 50 um graded index NA 0 2 Ambient temperature 23 C 5 C On day of calibration add 0 3 for ageing over one year add 0 6 over two years Spectral width of source lt 10 nm FWHM i Wavelength setting at Power Meter must correspond to source wavelength 0 4 nm Fiber lt 50 um NA lt 0 2 Within one year of calibration add 0 3 for second year Add 1 for Biconie connector e Operating temperature as specified humidity non condensing 3 All states of polarization at constant wavelength 1550 nm 30 nm and constant power straight connector T 23 C 5 For angled connector 8 add 0 01 dB typ arama AAAAAAAAAAAAA aa hadaa a eerren LALLA LLL eaaa ALLL a A a aaa eA PPPEPPre Ws aa o rore rune Wavelength 1556 nm lt 30 nm fixed state of polarization constant power Temperature 23 C 5 C Linewidth of source gt 100 MHz angled connector 8 Max 0 025 mdB 5 At constant temperature AT 1 C 6 Averaging time 1 s T 23 C 5 C observation time 300 s Wavelength range 1200 1630 nm 7 Conditions e Wavelengths 1310 nm 30 nm and 1550 nm 30 nm
25. ation Specifications are the performance characteristics of the instrument that is certified These specifications listed in Specifications on page 17 are the performance standards or limits against which the Agilent 81630B 4B 5B 6B 7B can be tested Specifications on page 17 also lists some supplemental characteristics of the Agilent 81630B 4B 5A 6B 7B Supplemental characteristics should be considered as additional information Any changes in the specifications due to manufacturing changes design or traceability to the National Institute of Standards and Technology NIST will be covered in a manual change supplement or revised manual Such specifications supercede any that were previously published Performance Test Procedures The performance test given in this section includes the Accuracy Test the Linearity Test the Return Loss Test and the Noise Test The performance test for the Agilent 81630B 81634B and 81637B also includes as optional tests the Relative Polarization Uncertainty and the Relative Interference Uncertainty Test Perform each step in the order given using the corresponding test equipment Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition NOTE Make sure that all optical connections are dry and clean DO NOT USE INDEX MATCHING OIL For cleaning use the cleaning instructions given in Cleaning Instructions on page 69 Fix the
26. check the functionality of the current booster The published specification does not apply to operation in non automode as used here to check this functionality MOTE The non linearity of the 81630B is not regularly tested up to the specified power level of 28 dBm Instead limited testing up to 10 dBm is used to test the electronic circuitry and diode of the 81630B Above 10 dBm the largest contribution to non linearity comes from the absorbing glass filter that does not change its non linearity with time This way it is guaranteed by design that testing the 81630B up to 10 dBm ensures specification compliance up to 28 dBm 54 Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Test Record Sheets Performance Test for the Agilent 81634B Page 1 of 3 Model Agilent 816348 Sensor Module___ Date Serial No Ambient Temperature aC Options Relative Humidity Firmware Rev Line Frequency Hz Test Facility Customer Performed by i Report No Special Notes Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 55 Performance Test for the Agilent 81634B Page 2 of 3 Description lal Lightwave Multimeter Std 1a2 Lightwave Multimeter DUT 1b TLS Mainframe 2 CW Laser Source 3a Opt Head Interface Module 3b Optical Head Reference 4 Sensor Module ba Optical Attenuator 5b Optical Attenuator 6 Return Loss Module
27. ched to optical outputs when the device is operational The laser radiation is not visible to the human eye but it can seriously damage your eyesight To prevent electrical shock disconnect the instrument from the mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally Do not install parts or perform any unauthorized modification to optical devices Refer servicing only to qualified and authorized personnel Why is it important to clean optical devices In transmission links optical fiber cores are about 9 um 0 00035 in diameter Dust and other particles however can range from tenths to hundredths of microns in diameter Their comparative size means that they can cover a part of the end of a fiber core and as a result will reduce the performance of your system Furthermore the power density may burn dust into the fiber and cause additional damage for example 0 dBm optical power in a single mode fiber causes a power density of approximately 16 million W m If this happens measurements become inaccurate and non repeatable Cleaning is therefore an essential yet difficult task Unfortunately when comparing most published cleaning recommendations you will discover that they contain several inconsistencies In this section we want to suggest ways to help you clean your various optical devices and thus significantly improve
28. down to the previous range 20 dBm and note the values again 10 41 Increase the attenuation of Atty1 by 10 dB and note the results in the test record 11 i 42 On the DUT switch one range down to the 30dBm range 43 Decrease the attenuation of Atty2 by 10 dB in order to be on the upper limit of the 50 dBm range 38 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 30 dBm Range 44 Disable Atty1 45 Zero both Power Meters On the 8163A B with two installed power meters press Menu move to lt Zero all gt and press Enter 46 Enable Attyl 47 Switch one range up to the 20 dBm range and note the power readings 12 48 Switch down to the previous range 30 dBm and note the values again 13 48 Increase the attenuation of Atty by 10 dB and note the results in the test record 14 50 On the DUT Switch one range down to the 40 dBm range Change Setup 51 Disable Atty and switch the output with the monitor output 52 Set the attenuation of Attyl to 35 dB and of Atty2 to 25 dB 53 Enable Attyl again 54 Adjust the attenuation of both attenuaters in the following order Attyl DUT Power Meter shows a reading of 37 2 dBm and Atty2 the REF Power Meter shows a reading of 47 2 dBm 40 dBm Range 55 Disable Attyl 56 Zero both Power Meters On the 8163A B with two installed power meters press Menu move to lt Zero all gt and press Enter
29. e wavelength of the laser source and press Enter Move to the calibration parameter CAL press Enter set the calibration parameter to zero and press Enter d Move to the averaging time parameter AvgTime press Enter move to lt J00 ms gt and press Enter e Move to the power parameter P press Pwr unit move to lt dBm gt and press Enter f Press the Menu softkey and move to lt Number of digits gt press Enter move to lt 3 gt press Enter and press Close 6 Initialize the two attenuators as follows a Set the attenuation of the 8156A 221 with Monitor Output referred to as Atty1 to 0 dB b Set the attenuation of the other 8156A referred to as Atty2 to 45 dB 7 Wait at least 15 minutes until the laser source is stabilized 8 Perform the following sub procedure for the reference Power Meter 81634B a Press Menu move to lt Range mode gt move to lt Manual gt and press Enter b Move to lt Range gt press Enter move to lt 50 dBm gt press Enter and press Close i 9 Perform the following sub procedure for the DUT 8163xA B a Press Menu move to lt Range mode gt move to lt Manual gt and press Enter b Move to lt Range gt press Enter move to lt 10 dBm gt and press Enter 36 Agilent 81830B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Test Procedures Performance Tests Zero both Power Meters Mov
30. e sheet Loss Date Max Vieasurement Spec Uncertainty 10 36 uW 10 36 pW lt 4 0 92 lt 0 46 lt t 0 46 lt 0 46 lt t 0 46 lt t 0 46 lt 0 46 lt t 0 46 lt 0 46 lt t 0 47 lt 0 47 lt 0 56 lt 0 56 lt t 146 Agilent 816308 4B 6B 78 Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 63 Performance Test for the Agilent 81637B Page 1 of 3 Model Agilent 81637B Sensor Module Serial No Options Firmware Rev Test Facility Performed by Special Notes 64 Date Ambient Temperature Relative Humidity Line Frequency Customer Report No C Hz Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition t Record Sheets eae rformance Tests Performance Test for the Agilent 81637B Test Equipment Used Page 2 of 3 Description Model No Trace No tal Lightwave Multimeter Std Agilent 8163A B 1a2 Lightwave Multimeter DUT Agilent 8163A B 1b TLS Mainframe Agilent 8164A B 2 CW Dual High Power Laser Source Agilent 81657A 3a Opt Head Interface Module Agilent 81618A 3b Optical Head Reference Agilent 81624B 4 Sensor Module Agilent 81634B ba Optical Attenuator Agilent 8156A 221 5b Optical Attenuator Agilent 8156A 101 6 Return Loss Module Agilent 81613A 7 8 9 10 Accessories Product Product Product Singlemode Fibers 2 81101AC 1 81113SC 3 81113PC C
31. e to lt Zero all gt and press En ter 10 Enable both attenuators 11 Adjust the attenuation of Atty2 in order to achieve 47 2 dBm on the reference Power Meter 10 dBm Range 12 Applies to the 81630B only Switch to the 20 dBm range and note both power readings as n 0 in the test record whichis given at the end of the test description 0 i e n 0 Always note at least three digits after the delimiter in the test record Switch back to the 10 dBm range 13 Note both power readings as the first value in the test record which is given at the end of the test descriptions 1 Always note at least three digits after the delimiter in the test record 14 Increase the attenuation of Atty1 until the power reading of the DUT shows about 2 8 dBm 15 Note the InRange values in the test record 2 16 Perform the following sub procedure for the DUT 8163xA B a Press Menu move to lt Range mode gt move to lt Manual gt and press Enter b Move to lt Range gt press Enter move to lt 0 dBm gt and press Enter 17 If necessary adjust the attenuation of Atty2 in order to be on the upper limit of the 50 dBm range i e 47 2 dBm 0 dBm Range 18 Disable Atty1 19 Zero both Power Meters On the 8163A B with two installed power meters press Menu move to lt Zero all gt and press Enter 20 Enable Atty1 21 Switch one range up to the 10dBm range 22 Note both power readings 3 i 23 Switch down to the previous ra
32. emaining filament left by the swab Heavy dirt If the above procedure is not enough to clean your instrument follow one of the procedures below Please consult Cleaning Instructions Jor this Instrument on page 69 for the procedure relevant for this instrument If you are unsure of how sensitive your device is to cleaning please contact the manufacturer or your sales distributor How to clean connectors Cleaning connectors is difficult as the core diameter of a single mode fiber is only about 9 um This generally means you cannot see streaks or scratches on the surface To be certain of the condition of the surface of your connector and to check it after cleaning you need a microscope In the case of scratches or of dust that has been burnt onto the surface of the connector you may have no option but to polish the connector This depends on the degree of dirtiness or the depth of the scratches This is a difficult procedure and should only be performed by skilled personal and as a last resort as it wears out your connector WARNIN Never look into the end of an optical cable that is connected to an active source To assess the projection of the emitted light beam you can use an infrared sensor card Hold the card approximately 5 cm from the output of the connector The invisible emitted light is project onto the card and becomes visible as a small circular spot Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 8163
33. ementary Performance Characteristics 28 Analog Output 28 Performance Tests 29 Equipment Required 31 Test Record 32 Test Failure 32 Instrument Specification 32 Performance Test Procedures 32 Accuracy Test 33 Test Setup 33 Linearity Test 35 Test Setup 36 10 dBm Range 37 0 dBm Range 37 10 dBm Range 38 20 dBm Range 38 30 dBm Range 39 Change Setup 39 40 dBm Range 39 50 dBm Range 40 Calculation 40 Example Measurement Results 41 Calculations 4 Noise Test 43 Return Loss Test 44 Relative Uncertainty due to Polarization Optional Test 46 Relative Uncertainty due to Interference Optional Test 48 Test Record Sheets 51 2 l Cleaning Instructions 69 Safety Precautions 69 Why is it important to clean optical devices 70 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition What do I need for proper cleaning Standard Cleaning Equipment Dust and shutter caps Isopropyl alcohol Cotton swabs Soft tissues Pipe cleaner Compressed air Additional Cleaning Equipment Microscope with a magnification range about 50X up to 300X Ultrasonic bath Warm water and liquid soap Premoistened cleaning wipes Polymer film Infrared Sensor Card Preserving Connectors Cleaning Instrument Housings Which Cleaning Procedure should I use How to clean connectors How to clean connector interfaces How to clean bare fiber adapters How to clean lenses How to clean
34. en you have finished cleaning put the dust cap back on or close the shutter cap if the equipment is not going to be used immediately Keep the caps on the equipment always when it is not in use All of Agilent Technologies lightwave instruments and accessories are shipped with either laser shutter caps or dust caps If you need additional or replacement dust caps contact your nearest Agilent Technologies Sales Service Office immersion Gil and Otheriadex Where it is possible do not use immersion oil or other index matching Mateking Cemasends compounds with your device They are liable to impair and dirty the surface of the device In addition the characteristics of your device can be changed and your measurement results affected Cleaning Instrument Housings Use a dry and very soft cotton tissue to clean the instrument housing and the keypad Do not open the instruments as there is a danger of electric shock or electrostatic discharge Opening the instrument can cause damage to sensitive components and in addition your warranty will be voided 76 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dua Power Sensor Module Second Edition Which Cleaning Procedure should use Light dire Ifyou just want to clean away light dirt observe the following procedure for all devices Use compressed air to blow away large particles Clean the device with a dry cotton swab Use compressed air to blow away any r
35. ers can damage the bottom of an adapter Yrelarrad Prosedure Use the following procedure on most occasions 1 Clean the interface by pushing and pulling a new dry pipe cleaner into the opening Rotate the pipe cleaner slowly as you do this 2 Then clean the interface by rubbing a new dry dotton swab over the surface using a small circular movement 3 Blow away any remaining lint with compressed air Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Procedurs fer Gigbeern Birt Use this procedure particularly when there is greasy dirt on the interface 1 Moisten a new pipe cleaner with isopropyl alcohol 2 Clean the interface by pushing and pulling the pipe cleaner into the opening Rotate the pipe cleaner slowly as you do this 3 Moisten a new cotton swab with isopropyl alcohol 4 Clean the interface by rubbing the cotton swab over the surface using a small circular movement 5 Using a new dry pipe cleaner and a new dry cotton swab remove the alcohol any dissolved sediment and dust 6 Blow away any remaining lint with compressed air How to clean bare fiber adapters Bare fiber adapters are difficult to clean Protect from dust unless they are in use CAUTION Never use any kind of solvent when cleaning a bare fiber adapter as solvents can damage the foam inside some adapters They can deposit dissolved dirt in the groove which can then dirty the
36. es of polarization at constant wavelength 1550 nm 30 nm and constant power straight connector T 23 C 5 C For angled connector 8 add 0 01 dB typ 4 Conditions Wavelength 1550 nm 30 nm fixed state of polarization constant power Temperature 23 C 5 C Linewidth of source gt 100 MHz angled connector 8 5 At constant temperature AT 1 C 6 Averaging time 1 s F 23 C 5 C observation time 300 s Wavelength range 1255 1630 nm 7 Conditions Wavelengths 1310 nm 30 nm and 1550 nm 30 nm Standard single mode fiber angled connector min 8 T 23 C 45 C 8 For input power gt 10 mW add typ 0 0012 dB mW In case of negative power change gt 50 dB allow additional recoveery time of 3 min 9 30 C for gt 20dBm input power Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 27 Supplementary Performance Characteristics Analog Output Bandwith 2DC lt 300 to 5000 Hz depending on range and optical head Output voltage 0 to 2 V into open Output impedance 600 ohm typ Max input voltage t10V Table 3dB bandwidth of the Analog Output 20 dBm 10 dBm 0 dBm 17 kHz 10 dBm 17 kHz 20 dBm 17 kHz 30 dBm 40 dBm 50 dBm 60 dBm 70 dBm Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Tes
37. ethod of cleaning extremely sensitive devices such as reference refiectors and mirrors Infrared Sensor Card Infrared sensor cards are available from laboratory suppliers or specialist mail order companies With this card you are able to control the shape of laser light emitted The invisible laser beam is projected onto the sensor card then becomes visible to the normal eye as a round spot Take care never to look into the end of a fiber or any other optical component when they are in use This is because the laser can seriously damage your eyes Preserving Connectors Listed below are some hints on how best to keep your connectors in the best possible condition i l i Risking Connectiens Before you make any connection you must ensure that all cables and connectors are clean If they are dirty use the appropriate cleaning procedure Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 75 When inserting the ferrule of a patchcord into a connector or an adapter make sure that the fiber end does not touch the outside of the mating connector or adapter Otherwise you will rub the fiber end against an unsuitable surface producing scratches and dirt deposits on the surface of your fiber Hust eps and Shutter Saps Be careful when replacing dust caps after use Do not press the bottom of the cap onto the fiber as any dust in the cap can scratch or dirty your fiber surface l Wh
38. fied temperature as specified Return loss The ratio of the incident power to the reflected power expressed in dB Symbol RL RL 101 Pin back Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Conditions the return loss excludes any reflections from the fiber end used as radiation source Spectral width of optical source Full width at half maximum The 3 dB width of the optical spectrum expressed in nm Symbol FWHM Total uncertainty The uncertainty for a specified set of operating conditions including noise and drift Conditions power level beam diameter or fiber type numerical aperture wavelength spectral width ambient temperature re calibration period as specified Noise and drift observed over a specified observation time with a temperature change of not more than tAT Uncertainty at reference conditions The uncertainty for the specified set of reference conditions including all uncertainties in the calibration chain from the national laboratory to the test meter Wavelength Range The range of wavelengths for which the power meter is calibrated Note Selectable wavelength setting of the power meter for useful power measurements operating wavelength range Literature 1 Fiber optic test and measurement Hewlett Packard Professional Books edited by Prentice Hall ISBN 0 13 534830 5 Agilent 81630B 4B 6B 78 Power Sensor
39. ilent 8166B Lightwave Multichannel System Storage and Shipment This module can be stored or shipped at temperatures between 40 C and 70 C Protect the module from temperature extremes that may cause condensation within it Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition errs Contents Contents Safety Considerations 3 Safety Symbols 3 Initial Inspection 3 Line Power Requirements 4 Operating Environment 4 Storage and Shipment 4 Contents 7 5 Getting Started with Power Sensor Modules 9 What is a Power Sensor Module 1 A Description of the Front Panel 11 Analog Output 11 Optical Input 12 Accessories 13 Modules and Options 15 Connector Interfaces 16 Bare Fiber Adapters 16 Specifications 17 Definition of Terms 18 Averaging Time 18 Linearity 18 Linewidth 19 Noise 19 Power range 19 Reference conditions 20 Relative uncertainty spectral ripple due to interference 20 Relative uncertainty due to polarization 20 Return loss 20 Spectral width of optical source 21 Total uncertainty 21 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 5 Uncertainty at reference conditions 21 Wavelength Range 21 Power Sensor Specifications Autorange Mode 22 Agilent 81635A amp 81634B Specification 22 Agilent 81636B amp 81637B Specification 24 Agilent 816308 Specification 26 Suppl
40. in various shapes and sizes The most suitable one to select for cleaning purposes has soft bristles which will not produces scratches There are many different kinds of pipe cleaner available from tobacco shops The best way to use a pipe cleaner is to push it in and out of the device opening for example when cleaning an interface While you are cleaning you should slowly rotate the pipe cleaner Only use pipe cleaners on connector interfaces or on feed through adapters Do not use them on optical head adapters as the center of a pipe cleaner is hard metal and can damage the bottom of the adapter Your pipe cleaner should be new when you use it If it has collected any dust or dirt this can scratch or contaminate your device The tip and center of the pipe cleaner are made of metal Avoid accidentally pressing these metal parts against the inside of the device as this can cause scratches Compressed air Compressed air can be purchased from any laboratory supplier It is essential that your compressed air is free of dust water and oil Only use clean dry air If not this can lead to filmy deposits or scratches on the surface of your connector This will reduce the performance of your transmission system When spraying compressed air hold the can upright If the can is held at a slant propellant could escape and dirty your optical device First spray into the air as the initial stream of compressed air could contain some co
41. instruments with a fixed connector interface How to clean instruments with a recessed lens interface 71 71 71 n 72 72 73 73 73 74 74 74 75 75 75 75 76 77 77 78 79 80 80 81 How to clean optical devices which are sensitive to mechanical stress and pressure 82 Additional Cleaning Information 82 How to clean bare fiber ends 83 How to clean large area lenses and mirrors 83 Other Cleaning Hints 84 Index 87 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 7 8 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Getting Started with Power Sensor Modules Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 9 This chapter introduces the features of the Agilent 81630B 4B 6B 7B Power Sensor Modules and the 81635A Dual Power Sensor Module 10 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition What is a Power Sensor Module 848308 Power Sensor SS Sl r _ Output Analog Output Analog Output Analog Input inGaAs 28dBim Figure 1 Disabling Autoranging Applications What is a Power Sensor Module A Power Sensor Module measures the power emitted from a connected single mode or multi mode fiber with Numerical Aperture lt 0 24 0 3 and core diameter up to 100 um according to
42. ion or conditions which are extrapolated from the conditions during calibration Conditions power level beam diameter or fiber type numerical aperture wavelength spectral width ambient temperature as specified at the day of calibration Noise and drift observed over a specified observation time with a temperature change of not more than 4AT Relative uncertainty spectral ripple due to interference Uncertainty of power reading when using a coherent source due to a periodic change of the power meter s responsivity caused by optical interference between reflective interfaces within the power meter s optical assembly Conditions constant wavelength constant power level angled connector as specified linewidth of source lt 100 MHz temperature as specified Spectral ripple is measured by stepping the source wavelength over the wavelength range specified Relative uncertainty due to polarization Also termed polarization dependent responsivity PDR the relative uncertainty due to polarization is the uncertainty of the displayed power level on the input polarization state expressed as the difference between the highest and the lowest displayed power Uncertainty figures are based upon a 95 confidence level Conditions laser source with variable polarization state generation of all possible polarization states covering the entire Poincar sphere constant wavelength constant power level angled connector as speci
43. ir Use this procedure particularly when there is greasy dirt on the lens E A Faroese Ee PSE E A 2 Clean the lens by rubbing the cotton swab over the surface using a small circular movement 3 Using a new dry cotton swab remove the alcohol any dissolved sediment and dust 4 Blow away any remaining lint with compressed air How to clean instruments with a fixed connector interface You should only clean instruments with a fixed connector interface when it is absolutely necessary This is because it is difficult to remove any used alcohoi or filaments from the input of the optical block it is important therefore to keep dust caps on the equipment at all times except when your optical device is in use If you do discover filaments or particles the only way to clean a fixed connector interface and the input of the optical block is to use compressed air If there are fluids or fat in the connector please refer the instrument to the skilled personnel of Agilent s service team Only use cleam dry compressed air Make sure that the air is free of dust water and oil If the air that you use is not clean and dry this can lead to filmy deposits or scratches on the surface of your connector interface This will degrade the performance of your transmission system Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition leaning Instructi Never try to open the instrume
44. key move to TotalTime press Enter set the total time to 00 05 00 which is 5 minutes and press Enter Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 43 Press the Measure softkey to start the measurement 10 After the stability application has finished press the Analysis softkey press the more softkey and note AP as the noise value in the test record Return Loss Test 1 Make sure that all connectors are clean 2 Set up the equipment as shown in Figure 6 3 Press Preset on the mainframe Mainframe 8163B or 8164B w 81657A and 8163xA B DUT 81610CC Figure Return Loss Measurement Setup NOTE To ensure traceability use the 81610CC Reference Cable for calibration measurements Do not use the 81610CC Reference Cable for measurements on a Device Under Test Instead use a measurement patchcord CAUTION It is important to maintain the quality of the straight connector end of the 81610CC Reference Cable Never add another connector to the straight end of the 81610CC Reference Cable since a physical connection is made When the straight end of the 81610CC Reference Cable is connected to the 81634B Power Sensor module no physical connection is made so there should be no degradation of connector quality i 4 Zero the Return Loss Module and the Power Sensor Module 5 Enable the internal laser source of the Return Loss Module and allow 20
45. le Second Edition Calculation Sheet for Linearity Measurement 81634B 81635A 81636B 81637B Your Entries l Conversion dBm gt mW Calculation as given Calculation as given REF Pow DUT Power DUT D Relation A Relation2 B Non Linearity er dBm dBm mW A B NL 4 1 1 E ad ala a E e EA ae a 4 af T ci e F TA ae i a eee E ES 101 i Reference Level 0 00 11 cae 12 E TEDS i 5 a 3 13 naa aa Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 67 Calculation Sheet for Linearity Measurement 81630B Your Entries Conversion dBm mW Calculation as given Calculation as given i REF Pow DUT Power Ref R DUT D Relationi A Relation B Non Linearity er dBm dBm mW mW An Ba NL 1 1 1 H DaDa i Pa tit ml Ry Rast oot Si gt i SE Ol mi Go Mis cig oo A Reference Level 6 00 h f d PJ sue Lea p gt reenter E 68 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition ord Sheets Masts Cleaning Instructions The following Cleaning Instructions contain some general safety precautions which must be observed during all phases of cleaning Consult your specific optical device manuals or guides for full i
46. lent 81635A Dual Power Sensor Module Second Edition 71 Cleaning Instructions os Whatdo tneed for pro per cleaning If you use isopropyl alcohol to clean your optical device do not immediately dry the surface with compressed air except when you are cleaning very sensitive optical devices This is because the dust and the dirt is solved and will leave behind filmy deposits after the alcohol is evaporated You should therefore first remove the alcohol and the dust with a soft tissue and then use compressed air to blow away any remaining filaments If possible avoid using denatured alcohol containing additives Instead apply alcohol used for medical purposes Never try to drink this alcohol as it may seriously damage your health Do not use any other solvents as some may damage plastic materials and claddings Acetone for example will dissolve the epoxy used with fiber optic connectors To avoid damage only use isopropyl alcohol Cotton swabs We recommend that you use swabs such as Q tips or other cotton swabs normally available from local distributors of medical and hygiene products for example a supermarket or a chemist s shop You may be abie to obtain various sizes of swab If this is the case select the smallest size for your smallest devices Ensure that you use natural cotton swabs Foam swabs will often leave behind filmy deposits after cleaning Use care when cleaning and avoid pressing too hard onto y
47. minutes for it nto stabilize 6 At the Power Meter 44 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Tests a Set the averaging time AvTime to 1s b Set the wavelength to the wavelength of the RTL source c Set Pwr unit to lt db gt 7 At the Return Loss Module a Set the averaging time AvTime to 1s b Enter the Return Loss Reference value RLref of the 81610CC reference cable for this wavelength Press RefCal to calibrate the Return Loss module at reference condition Atthe Power Meter press Disp gt Ref The Power Meter should now read 0 0 dB Disconnect the 81610CC Reference Cable from the setup and connect a 81113SC user cable to the Return Loss Module and leave the other end open as shown in Figure 8 Mainframe 8163B or 8164B w 81657A and 8163xA B DUT 81113S8C Figure 7 Return Loss Measurement Setup 18 At the Return Loss Module press TermCal in order to calibrate the Return Loss Module at termination condition 11 Connect the open end to the Power Sensor Module 12 Enter the Power reading P on the Power Sensor Module as FPDelta on the Return Loss Meter Make sure you enter the sign of this value correctly 13 Note the Return Loss reading as the Return Loss result into the test i record Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 45
48. nal Test The performance test Relative Uncertainty due to Interference is optional since the interference is given with the production of the unit by mechanical and optical cavities and stays unchanged by normal use of the sensor module Below you wiill find the test setup to verify the relative uncertainty due to interference of the sensor module In order to perform the relative uncertainty due to interference test it is mandatory to use two mainframes since the time difference between measurement A und B for a specific wavelength point has to be at most 2 ms Due to this short measurement interval the performance test of the relative uncertainty due to interference can only be using computer control Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition alice Test Procedutes 2s yennteras Auger nen ens memme S a GPIB Mainframe 8163A B w 8163xA B Sensor Module DUT Mainframe 8163A B w 81533B and 81521B Optical Head Ref special Mainframe 8164A B 8164A B oO L goo Ld ee et moc za oo CO Bia Gee Ged aa Boo 81533B Best IF O Note DIN 4108 Adapter _ angled connector A 8111350 Approved IF free 5 Demag optical head z i special tool 2 Figure Setup for Relative Uncertainty due to Interference Measurement Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 49
49. ndensation or propellant Such condensation leaves behind a filmy deposit Please be friendly to your environment and use a CFC free aerosol Additional Cleaning Equipment Some Cleaning Procedures need the following equipment which is not required to clean each instrument Microscope with a magnification range about 50X up to 300X Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 73 Ultrasonic bath Warm water and liquid soap Premoistened cleaning wipes Polymer film Infrared Sensor Card Microscope with a magnification range about 50X up to 300X A microscope can be found in most photography stores or can be obtained through or specialist mail order companies Special fiber scopes are available from suppliers of splicing equipment Ideally the light source on your microscope should be very flexible This will allow you to examine your device closely and from different angles A microscope helps you to estimate the type and degree of dirt on your device You can use a microscope to choose an appropriate cleaning method and then to examine the results You can also use your microscope to judge whether your optical device such as a connector is severely scratched and is therefore causing inaccurate measurements Ultrasonic bath Ultrasonic baths are also available from photography or laboratory suppliers or specialist mail order companies An ult
50. nformation on safety matters Please try whenever possible to use physically contacting connectors and dry connections Clean the connectors interfaces and bushings carefully after use If you are unsure of the correct cleaning procedure for your optical device we recommend that you first try cleaning a dummy or test device Agilent Technologies assume no liability for the customer s failure to comply with these requirements Cleaning Instructions for this Instrument The Cleaning Instructions apply to a number of different types of Optical Equipment If you must clean the Agilent 81633A 4A Power Sensor Modules please refer the module to the skilled personnel of Agilent s service team How to clean instruments with a recessed lens interface on page 81 is relevant to all other Power Sensor modules Safety Precautions Please follow the following safety rules Do not remove instrument covers when operating e Ensur that the instrument is switched off throughout the cleaning procedures Use of controls or adjustments or performance of procedures other than those specified may result in hazardous radiation exposure Make sure that you disable all sources when you are cleaning any optical interfaces Agilent 81630B 4B 68 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 69 Cleaning instructi Under no circumstances look into the end of an optical device atta
51. nge 0dBm and note the values again 4 24 Increase Atty1 by 10 dB and note the results in the test record 5 25 At the DUT 8163xA B press Menu move to lt Range gt press Enter move to lt 10 dBm gt and press Enter and press Close Agilent 81830B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 37 26 if necessary adjust the attenuation of Attyl in order to be on the upper limit of the range i e x7 y dBm 27 Decrease the attenuation of Atty2 by 10 dB in order to be on the upper limit of the 50 dBm range 10 dBm Range 28 Disable Attyl 29 Zero both Power Meters On the 8163A B with two installed power meters press Menu move to lt Zero all gt and press Enter 36 Enable Atty1 31 Switch one range up to the 0 dBm range and note the power readings 6 32 Switch down to the previous range 10 dBm and note the values again 7 33 Increase the attenuation of Atty1 by 10 dB and note the results in the test record 8 34 On the DUT switch one range down to the 20 dBm range 35 Decrease the attenuation of Atty2 by 10 dB in order to be on the upper limit of the 50 dBm range 20 dBm Range 36 Disable Attyl 37 Zero both Power Meters On the 8163A B with two installed power meters press Menu move to lt Zero all gt and press Enter 38 Enable Attyl 39 Switch one range up to the 10 dBm range and note the power readings 9 40 Switch
52. nt and clean the optical block by yourself because it is easy to scratch optical components and cause them to be misaligned How to clean instruments with a recessed lens interface WARNING For instruments with a deeply recessed lens interface for example the Agilent 81637B and 81634B Power Sensors do NOT follow this procedure Alcoho and compressed air could damage your lens even further Keep your dust and shutter caps on when your instrument is not in use This should prevent it from getting too dirty If you must clean such instruments please refer the instrument to the skilled personnel of Agilent s service team Prelerred Procedure Use the following procedure on most occasions 1 Blow away any dust or dirt with compressed air If this is not sufficient then 2 Clean the interface by rubbing a new dry cotton swab over the surface using a small circular movement 3 Blow away any remaining lint with compressed air Procedure ter Stiborn Dirt Use this procedure particularly when there is greasy dirt on the interface and using the procedure for light dirt is not sufficient Using isopropyl alcohol should be your last choice for recessed lens interfaces because of the difficulty of cleaning out any dirt that is washed to the edge of the interface 1 Moisten a new cotton swab with isopropyl alcohol 2 Clean the interface by rubbing the cotton swab over the surface using a small circular movement 3 Take a new dry
53. of several lenses are not normally sealed Therefore use as little liquid as possible as it can get between the lenses and in doing so can change the properties of projection Preferred Procedure Use the following procedure on most occasions 1 Blow away any dust or dirt with compressed air Procedure fer Stupbers Ont Use this procedure particularly when there is greasy dirt on the lens CAUTI ON o Only use water if you are sure that your device does not corrode Do not use hot water as this can lead to mechanical stress which can damage your device Make sure that your liquid soap has no abrasive properties or perfume in it because they can scratch and damage your device Do not use normal washing up liquid as sometimes an iridescent film remains J Moisten the lens or the mirror with water 2 Put a little liquid soap on the surface and gently spread the liquid over the whole area 3 Wash off the emulsion with water being careful to remove it all as any remaining streaks can impair measurement accuracy Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 83 Alternative Procedure A Alteraetive Procedure B Making the connection 4 Take a new dry soft tissue and remove the water by rubbing gently over the surface using a small circular movement 5 Blow away remaining lint with compressed air To clean lenses that are extremely sensitive to mechanical stress
54. on 81635 90B12 Second Edition 81835 90812 January 2002 First Edition 81635 90034 July 20901 eT WARNING Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Safety Considerations The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the instrument Agilent Technologies Inc assumes no liability for the customer s failure to comply with these requirements Before operation review the instrument and manual including the red safety page for safety markings and instructions You must follow these to ensure safe operation and to maintain the instrument in safe condition The WARNING sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met Safety Symbols The apparatus will be marked with this symbol when it is necessary for the user to refer to the instruction manual in order to protect the apparatus against damage Initial Inspection Inspect the shipping container for damage If there is damage to the con
55. on the display is subject to averaging Optical Input The optical input to the sensor requires a connector interface or bare fiber adapter to match the connector type or bare fiber to the sensor See Accessories on page 13 for details 12 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Accessories Agilent 81830B 4B 6B 78 Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 13 The Agilent 816308 4B 6B 7B Power Sensor Module and the Agilent 81635A Dual Power Sensor Module are available in various configurations for the best possible match to the most common applications This chapter provides information on the available options and accessories 14 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Power Sensors Sensor High Performance Modules Module 81634A 8 10 dBm to 110 dBm interface for 81637B Fast Power Sensor beth angled 81836B 816308 28 dBm to 7G dBm and straight connectors Connector Interfaces 81800Al 810007 819006 810804 81080Ki 8 1000P 810008 81000V1 810024 Modules and Options Diamond HMS 10 FC PC SPE D4 SMA SC PC APC E 2006 DIN 47256 4108 6 ST LE Connector Interfaces Connecter interfaces Bare Fiber Adapter Power Sensors Economy Modules 81635A 10 dBm te 88
56. onnector Interfaces 4 81000AI 3 81000fl 4 81000SI Connector Adapters 1 81000AA Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 65 Performance Test for the Agilent 81637B Page 3 of 3 Model Agilent 81637B Sensor Module Test No Test Description l Accuracy Test measured at nm 1310nm Output Power measured at nm 1550nm Output Power H Linearity Test Range Poy dBm Pour dBm 10 9 10 3 0 3 0 7 10 7 10 17 20 17 Reference 20 27 30 27 30 37 40 37 40 47 50 47 50 57 i Noise Test IV Return Loss Test V Relative Uncertainty due to Polarization Maximum difference in interval 1550 nm 1560 nm 0 1 nm step AP V1 Relative Uncertainty due to Interference Maximum difference in interval 1500 nm 1560 nm 2 pm step AP Report No Min Spec 9 64 uW 9 64 uW 55 dB lt Result uW Loss IT s gt pW dB dB dB Date Max Spec 10 36 uW 10 36 pW For Calculations you may want to use the appropriate sheet lt t 0 92 lt 0 46 lt t 0 46 lt 0 46 lt t 0 45 lt 0 46 lt 0 46 lt t 0 46 lt t 0 46 lt t 0 47 lt 0 47 lt 0 56 lt 9 56 lt 4 1 46 lt 20 pW lt 0 01 dB lt 0 01 dB Measurement Un certainty 66 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Modu
57. optical cables that connect the laser source and Power Meter to the Agilent 8156A Attenuator This ensures minimum cable movement during the tests Accuracy Test The linearity test must only be performed at either 1310 nm or 1550 nm The accuracy test must be performed in the 20 dBm range at _ 10 pW at both 1310 nm and 1550 nm Test Setup 1 Make sure that cable connector detectors and adapters are clean 2 Connect the equipment as shown in Figure 3 Ensure that the cables to and from the attenuator are fixed on the table and that both the optical head and the DUT are close together so that minimum cable movement is required when connecting the cable to the head or to the DUT 3 Move to the Laser Source channel move to the wavelength parameter 1 press Enter select the lower wavelength source and press Enter Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 33 erformance Test Procedures 4 If you are using an Agilent 81657A Laser Source ensure that you initialize the Agilent 8156A Optical Attenuator with 30 dB attenuation Mainframe 8163A B or 8164A B 81657A 8156A Optical Attenuator p Di E a EB E 811014AC Mainframe 8163A B with 8163xA B i and 81618A with 8162xB Opt Head 81101AC Gamm m e m a i ia l aia ie klk E O O e e Se a o oo oo o o e a aie wea Optical Head 81624B 0 Ap Figure 3 Accuracy Test Setup Turn the instruments
58. or implied Agilent Technologies specifically disclaims the implied warranties of Merchantability and Fitness for a Particular Purpose 2 Agilent 81630B 48 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Exclusive Remedies The remedies provided herein are Buyer s sole and exclusive remedies Agilent Technologies shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Assistance Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products For any assistance contact your nearest Agilent Technologies Sales and Service Office Certification Agient Technologies Inc certifies that this product met its published specifications at the time of shipment from the factory Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology NIST formerly the United States National Bureau of Standards NBS to the extent allowed by the Institutes s calibration facility and to the calibration facilities of other International Standards Organization members ISO 8601 Certification Produced to ISO 9061 international quality systern standard as part of our objective of continually increasing customer satisfaction through improved process control Second Editi
59. our optical device with the swab Too much pressure may scratch the surface and could cause your device to become misaligned It is advisable to rub gently over the surface using only a small circular movement Swabs should be used straight out of the packet and never used twice This is because dust and dirt in the atmosphere or from a first cleaning may collect on your swab and scratch the surface of your optical device Soft tissues These are available from most stores and distributors of medical and hygiene products such as supermarkets or chemists shops We recommend that you do not use normal cotton tissues but multi layered soft tissues made from non recycled cellulose Cellulose tissues are very absorbent and softer Consequently they will not scratch the surface of your device over time Use care when cleaning and avoid pressing on your optical device with the tissue Pressing too hard may lead to scratches on the surface or misalignment of your device Just rub gently over the surface using a small circular movement 712 Agilent 81630B 4B 6B 78 Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Use only clean fresh soft tissues and never apply them twice Any dust and dirt from the air which collects on your tissue or which has gathered after initial cleaning may scratch and pollute your optical device Pipe cleaner Pipe cleaners can be purchased from tobacconists and come
60. rasonic bath will gently remove fat and other stubborn dirt from your optical devices This helps increase the life span of the optical devices Only use isopropyl alcohol in your ultrasonic bath as other solvents may damage Warm water and liquid soap Only use water if you are sure that there is no other way of cleaning your optical device without corrosion or damage Do not use hot water as this may cause mechanical stress which can damage your optical device i Ensure that your liquid soap has no abrasive properties or perfume in it You should also avoid normal washing up liquid as it can cover your device in an iridescent film after it has been air dried Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Preserving Connectors Some lenses and mirrors also have a special coating which may be sensitive to mechanical stress or to fat and liquids For this reason we recommend you do not touch them If you are not sure how sensitive your device is to cleaning please contact the manufacturer or your sales distributor Premoistened cleaning wipes Use pre moistened cleaning wipes as described in each individual cleaning procedure Cleaning wipes may be used in every instance where a moistened soft tissue or cotton swab is applied Polymer film Polymer film is available from laboratory suppliers or specialist mail order companies Using polymer film is a gentle m
61. rence level 10 uW displayed power levels within the specified range zero less than specified time prior to measurement Note 1 ideally N 0 respectively 0 dB Note 2 the power dependent nonlinearity N P can alternatively be expressed by the following formula r P r Po NO PD where r P is the power dependent responsivity for a power meter the responsivity is defined as the ratio of displayed power to actual input power Linewidth FWHM spectral bandwidth The 3 dB width of the optical spectrum expressed in Hertz Symbol Af Noise The peak to peak change of displayed power level with zero input power level dark Conditions Zero prior to measurement averaging time and observation time as specified lowest power range selected and wavelength range as specified Measurement the measurement result is obtained by Notse Pmax Pmin expressed as peak to peak within the given time span Any offset is automatically excluded this way Power range The power range is defined from the highest specified input power level to the smallest input power level that causes a noticable change of displayed power level a 4 X Conditions wavelength averaging time as specified Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 19 efinition of Terms Reference conditions The specified conditions during the spectral responsivity calibrat
62. soft tissue and remove the alcohol dissolved sediment and dust by rubbing gently over the surface using a small circular movement 4 Blow away any remaining lint with compressed air Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 81 Cleaning Instructions dditional Cleaning Infor How to clean optical devices which are sensitive to mechanical stress and pressure Some optical devices such as the Agilent 81000BR Reference Reflector which has a gold plated surface are very sensitive to mechanical stress or pressure Do not use cotton swabs soft tissues or other mechanical cleaning tools as these can scratch or destroy the surface Preierred Presedurs Use the following procedure on most occasions 1 Blow away any dust or dirt with compressed air Sec x Prosedure ior Mebkern Girt To clean devices that are extremely sensitive to mechanical stress or pressure you can also use an optical clean polymer film This procedure is time consuming but you avoid scratching or destroying the surface 1 Put the film on the surface and wait at least 30 minutes to make sure that the film has had enough time to dry 2 Remove the film and any dirt with special adhesive tapes iereetive Prossdura For these types of optical devices you can often use an ultrasonic bath with isopropyl alcohol Only use the ultrasonic bath if you are sure that it won t cause any damage anything
63. stant power straight connector T 23 C 5 C For angled connector 8 add 0 01 dB typ 4 Conditions j Wavelength 1550 nm 30 nm fixed state of polarization constant power Temperature 23 C 5 C Linewidth of source 2 100 MHz angled connector 8 5 At constant temperature AT 17 C se 6 Averaging time 1 s T 23 C 5 C observation time 300 s Wavelength range 1260 1630nm 7 Conditions Oe eg ee le ee e Wavelengths 1310 nm 30 nm and 1550 nm 30 nm i i i Standard single mode fiber angled connector min 8 e T 23 C 5 C 8 For wavelengths gt 1600 nm add 0 06 nm OUN TTT Observation Time 2 5s 11 Averaging Time 25 us T 23 C E65 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 25 ower Sensor Specifications Agilent 81630B Specification Wavelength Range 970 1650 nm Power Range 28 to 70dBm Standard SM and MM up to 100 um core size Applicable Fiber Type NA lt 03 Uncertainty accuracy 3 0 for 1255 nm to 1630 nm at Reference Conditions 1 at 980 nm 3 5 add 0 5 per nm if 980 nm is not the center wavelength at 1080 nm 4 0 add 0 6 per nm if 1060 nm is not the center wavelength 5 0 1 2 nW for 1255 nm to 1630 nm Total Uncertainty 2 6 at 880 nm 5 5 1 2 nW add 0 5 per nm if 986 nm is not the center wavelength at 1060 nm 86 0 1 2 nW
64. t Linearity measurement 67 Connector interface 12 Connector interfaces 16 E Example calculations 42 F Front panel 11 L Linearity 18 Linearity Test 35 Linearity test 35 Linewidth 19 N Noise 19 Noise Test 43 Noise test 43 6 Optional features 15 P Performance Tests 29 Agilent 81632A 51 61 Agilent 81635A 58 performance tests 32 Power range 19 Power Senser module Peronnanee tests 30 R Reference conditions 20 Relative Uncertainty due to Interference 48 Return Loss 9 Return loss 20 Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 87 Return Loss Test 44 Return loss test 44 S Safety 3 Specifications 17 81630B 26 81634B 22 81635A 22 81636B 24 81637B 24 Spectral ripple 20 T Test equipment 31 Test record sheets 51 Total uncertainty 21 U Uncertainty due te interference test 48 Uncertainty due to polarization test 46 Ww Wavelength range 21 88 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition www agilent com Agilent Technologies GmbH 2001 2002 Printed in Germany February 20 2002 A L V 81635 90B12 EE Agilent Technologies
65. t 0 01 dB 1550 nm 1560 nm 0 1 nm step AP Vi Relative Uncertainty due to Interference dB Maximum difference in interval lt 0 05 dB 1500 nm 1560 nm 2pm step AP Agilent 81630B 4B 6B 78 Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 57 Performance Test for the Agilent 81635A Page 1 of 3 Model Agilent 81635A Sensor Module ___ Serial No Options Firmware Rev Test Facility Performed by Special Notes Date Ambient Temperature Relative Humidity Line Frequency Customer Report No fest Record Ke Hz 58 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Performance Test for the Agilent 81635A Page 2 of 3 Description lai Lightwave Multimeter Std ta2 Lightwave Multimeter DUT tb TLS Mainframe 2b CW Laser Source 3a Opt Head Interface Module 3b Optical Head Reference 4 Sensor Module 5a Optical Attenuator 5b Optical Attenuator 6 Return Loss Module 7 8 9 10 Accessories Singlemade Fibers gt N Connector Interfaces _ Connector Adapters Test Equipment Used Model No Agilent 8163A B Agilent 8183A B Agilent 8164A B Agilent 81657A Agilent 81818A Agilent 816248 Agilent 81634B Agilent 8156A 221 Agilent 81564 101 Agilent 81613A Trace No Product 81101A 1 81000A1 3 81000AA Product 81113SC 3 81000F 4 Product 81113PC 81000S1 Agilent
66. t 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Lene cleaning gapers inbwarsies of and other indes matching compounds Cleaning the housing aad the maintranie Note that some special lens cleaning papers are not suitable for cleaning optical devices like connectors interfaces lenses mirrors and so on To be absolutely certain that a cleaning paper is applicable please ask the salesperson or the manufacturer Do not use immersion oil or other index matching compounds with optical sensors equipped with recessed lenses They are liable to dirty the detector and impair its performance They may also alter the property of depiction of your optical device thus rendering your measurements inaccurate When cleaning either the mainframe or the housing of your instrument only use a dry and very soft cotton tissue on the surfaces and the numeric pad Never open the instruments as they can be damaged Opening the instruments puts you in danger of receiving an electrical shock from your device and renders your warranty void Agilent 816308 4B 6B 7B Power Sensor Modules and Agilent 81835A Dual Power Sensor Module Second Edition 85 86 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Index A Accessories 13 Accuracy Test 33 Accuracy test 33 Analog output Tt specification 28 Averaging time 18 Cc Calculation shee
67. tainer or cushioning keep them until you have checked the contents of the shipment for completeness and verified the instrument both mechanically and electrically The Performance Tests give procedures for checking the operation of the instrument If the contents are incomplete mechanical damage or defect is apparent or if an instrument does not pass the operator s checks notify the nearest Agilent Technologies Sales Service Office To avoid hazardous electrical shock do not perform electrical tests when there are signs of shipping damage to any portion of the outer enclosure covers panels etc onsiderations Line Power Requirements The Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module operate when installed in the Agilent 8163A B Lightwave Multimeter Agilent 8164A B Lightwave Measurement System and Agilent 8166A B Lightwave Multichannel System Operating Environment The safety information in the Agilent 8163A B Lightwave Multimeter Agilent 8164A B Lightwave Measurement System and Agilent 8166A B Lightwave Multichannel System User s Guide summarizes the operating ranges for the Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module In order for these modules to meet specifications the operating environment must be within the limits specified for the Agilent 8163B Lightwave Multimeter Agilent 8164B Lightwave Measurement System and Ag
68. the accuracy and repeatability of your lightwave measurements 70 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition gt Cleaning Instructions What do I need for proper cleaning Some Standard Cleaning Equipment is necessary for cleaning your instrument For certain cleaning procedures you may also require certain Additional Cleaning Equipment Standard Cleaning Equipment Before you can start your cleaning procedure you need the following standard equipment Dust and shutter caps Isopropyl alcohol e Cotton swabs Soft tissues Pipe cleaner e Compressed air Dust and shutter caps All of Agilent Technologies lightwave instruments are delivered with either laser shutter caps or dust caps on the lightwave adapter Any cables come with covers to protect the cable ends from damage or contamination We suggest these protected coverings should be kept on the equipment at all times except when your optical device is in use Be careful when replacing dust caps after use Do not press the bottom of the cap onto the fiber too hard as any dust in the cap can scratch or pollute your fiber surface If you need further dust caps please contact your nearest Agilent Technologies sales office Isopropyl alcohol This solvent is usually available from any local pharmaceutical supplier or chemist s shop Agilent 81630B 4B 6B 7B Power Sensor Modules and Agi
69. the model The wavelength and power range depend on the sensor element A Description of the Front Panel 816348 816368 816378 816354 Power Sensor Power Sensor Power Sensor Power Sansor 10dBm 110dBm 10cBm 80d8m H 10cBm 86dBm 40dBm 86dBm input i input Front Panel of the Agilent Power Sensor Modules Analog Output The analog output is the BNC connector on the front of the sensor module It outputs a voltage directly proportional to the strength of the optical signal at the optical input in the current range The analog signal is always in the range between 0 and 2V 2V corresponding to a full power input signal in the current range OV corresponding to no input signal During autoranging the level to which 2V corresponds changes You should disable autoranging when using the analog output Select the best range for the application using the mainframes user interface Select lt Menu gt lt Range Mode gt lt Manual gt and then choose from the list of ranges i Possible applications for the analog output are e to close the feedback loop controlling the current supplied to a laser to aid positioning the system for fiber alignment tasks Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition 11 Vhat isa Power Sensor Module to monitor optical power on an oscilloscope The analog signal reacts instantaneously to the input signal whereas the power shown
70. to the device 1 Put the device into the bath for at least three minutes 2 Blow away any remaining liquid with compressed air If there are any streaks or drying stains on the surface repeat the cleaning procedure Additional Cleaning Information The following cleaning procedures may be used with other optical equipment i How to clean bare fiber ends How to clean large area lenses and mirrors 82 Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition ional Cleaning Information How to clean bare fiber ends Bare fiber ends are often used for splices or together with other optical components to create a parallel beam The end of a fiber can often be scratched You make a new cleave To do this 1 Strip off the cladding 2 Take a new soft tissue and moisten it with isopropyl alcohol 3 Carefully clean the bare fiber with this tissue 4 Make your cleave and immediately insert the fiber into your bare fiber adapter in order to protect the surface from dirt How to clean large area lenses and mirrors Some mirrors as those from a monochromator are very soft and sensitive Therefore never touch them and do not use cleaning tools such as compressed air or polymer film Some lenses have special coatings that are sensitive to solvents grease liquid and mechanical abrasion Take extra care when cleaning lenses with these coatings Lens assemblies consisting
71. ts Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81835A Dual Power Sensor Module Second Edition 29 30 The procedures in this section test the performance of the instrument The complete specifications to which the Agilent 81630B 4B 6B 7B Power Sensor Modules and the Agilent 81635A Dual Power Sensor Module are tested are given in Specifications on page 17 All tests can be performed without access to the interior of the instrument The performance tests refer specifically to tests using the Diamond HMS 10 Agilent connector Agilent 81630B 4B 6B 7B Power Sensor Modules and Agilent 81635A Dual Power Sensor Module Second Edition Table 6 Equipment Required Equipment required for the performance test is listed in the table below Any equipment that satisfies the critical specifications of the equipment given in the table may be substituted for the recommended models Required Equipment Multimeter Mainframe Agilent 8163A B 2 each X Xo kX XX Agilent 8164A B CW Laser Module Agilent 81657A x xX X X XxX Power Meter Standard Agilent 81618A Optical Head xX X X X Xx interface Module with Agilent 81624 B 001 i Working Standard Optical Head Power Sensor Module Agilent 816348 x xX X X X Optical Attenuator Agilent 8156A 221 xX X X X XxX Optical Attenuator Agilent 8156A 101 xX X X X x 81560A Return Loss Module Agilent 81613A xXx X X X Return Loss Reference Agilent 81610CC X X

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