Agilent Technologies Light Therapy Device d User's Manual
Contents
1. 3 Measured on 8703A lightwave component analyzer Frequency response verified by decon volving impulse response of 83440C on 54124 oscilloscope due to a 2 ps pulse YAG laser 1See typical performance trace s 5 Thermal noise limited equivalent optical power limited by 50 Q input impedance S Full Width Half Max ad aa 7 Calculated from bandwidth measurements tr Calculation assumes Gaussian pulse BWopt BWelec 8 Optical connector limited 9gsp susceptibility limited to RF connector center pin Overall package other than bias port and RF connector withstands 25 000 V ESD lOl pulse response calculations verified using 2 ps pulsed YAG laser ilAt room temperature 23 C PrO 12 Alt 83440D units are tested for 30 GHz minimum bandwidth Measured frequency response data is supplied with each unit 13 Uncorrected System aberrations include oscilioscope response and source laser aberrations from 2 ps pulsed YAG laser system Slower pulse width will generate lower aberration levels high 83440D detector bandwidth can excite 50 GHz oscilloscope response 1483440D test system consists of 2 3 ps compressed Nd YAG laser and 54124 50 GHz digitizing oscilloscope 83440D frequency response is derived from Fourier transform after correcting for oscilloseope and input pulse frequency response System verified with YAG heterodyne Agilent Technologies Test and Measurement Support Services and Assistance Agilent Techn2. gt 30 dB 1256 1699 nm Wavelength Spectral Response 1800 nm 1688 nm m e TT TT TE aao 83440D Frequency Response 0 10 20 30 40 Frequency GHz Deconvolved frequency response from 2 ps pulsed YAG laser measured by Agilent 83440D and Agilent 54124 oscilloscope Typical 83440D Saturation Characteristics Relative Electrical Bandwidth e 0 200 400 Peak Optical Power mW 5 ps pulse width 1060 nm See Notes page 7 Using the Agilent 83440B C D Lightwave Converter O E Conversion Process The 83440 detects the modulated baseband signal from the lightwave carrier converting it to an electrical signal for processing The resultant electrical signal can be analyzed in the time domain or frequency domain using electrical oscilloscopes signal analyzers and network analyzers The 88440B C D are DC coupled receivers For proper operation a DC path to ground is necessary at the RF output When using the 83440 with an AC coupled instrument Supplying 15V to the 87421A Power Supply Use the 3440 83440 60009 cable in series with the Depending on the instruments that 83440 60004 to connect to the power the Agilent 83440 will be used with SUPPLY there are several possible configura tions to supply the needed 15V bias 11899A Probe Power Supply Use voltage to the 83440 the 83440 60006 cable to connect to the stand alone probe power supply 86100B Use the 83440 60004 cable to connect to the 1
3. Recommended Accessories 87421A External 15V fixed power supply 11899A External probe power supply 84930 003 006 3 5 mum fixed attenuators 3 dB and 6 dB respectively 11901D 2 4 mm f to 3 5 mm m coax adapter 1250 1391 SMB tee 116124 3 5 mm bias network 45 MHz 26 5 GHz 5952 9654 Fiber Optics Handbook DC Bias Cables 83440 60004 SMB f to quick connect LEMO 83440 60005 SMB m to bare wire ground black 15V clear 83440 60006 3 pin halfround f to quick connect LEMO 83440 60009 9 pin D sub m to SMB m Other Agilent O E Converters Agilent 11982A DC 16 GHz amplified converter 300 V W conversion gain Product Overview lit no 5966 1583E Agilent 83410C 300 kHz 3 GHz amplified receiver 62 5 125 um fiber Technical Specifications lit no 5888 4308EN Agilent 83411A 300 kHz 6 GHz receiver 62 5 125 um fiber Technical Specifications lit no 5988 4308EN Agilent 83411B 300 kHz 6 GHz amplified receiver 62 5 125 um fiber Technical Specifications lit no 5988 4308EN Agilent 83412A 300 kHz 3 GHz amplified receiver 850 nm 62 5 125 um fiber Technical Specifications lit no 5988 4308EN Agilent 83434A 10 Gb s lightwave clock and data receiver Product Overview lit no 5968 9251E Agilent 88446A B 2 4 Gb s lightwave clock and data receiver Product Overview lit no 5962 1682E Notes l Stated specs from 83440B C D into 50Q load 2 For an O E device responsivity dB 20log vw LADY
4. 1 2000 5374 164006 1028 6 6000 41047 500800 ARS 1b 4000 0 582 16 6000 1 092 9 8000 0M5 62000 0 38 11 6000 0 569 d x 00 paso 10000 6040 64600 DISS T8000 0373 17 0000 1 az 12006 07i 6 6600 0302 gt c 120000 0 549 122000 4103 14000 0 018 amp 26000 0241 122000 6542 1TAQN L166 16000 QUi5 T0000 0259 12 8000A 0 503 d76000 t101 3000 04 o 2000 0 342 5 12 5000 0 490 17 8000 1 190 20006 0218 2 0400 03M O 2 8000 6464 i amp O000 1091 LAKHE 0020 7 6000 956 FJR AAA LR OG L055 23000 0 035 78000 938i 132000 0427 18 4000 1 929 26000 204076 2000 0399 13 4606 G 453 200 8 6000 1 0 2183006 01960 C R2000 RY 13 6009 D489 18 8000 LOKI 30000 0 436 CO RADO0 0366 13 8000 0 446 190000 L0 32000 7 7 0382 o 000 K E E 14 0000 0583 e 490007 LIRI 34000 0 203 c NOQOQ8 GM5 112000 6515 7 194000 iG UR 9218 0000 0193 144000 063 1d94600 L23X S000 5 0221 07 9 3000 8 184 14 6000 1622 7 19 2000 1 306 40060 OS 94000 0207 148000 39 645 20 0000 1 390 Ordering Information Agilent 83440B DC 6 GHz Lightwave Converter 83440B 050 50Q termination for use with SDH SONET filters Agilent 83440C DC 20 GHz Lightwave Converter Agilent 83440D DC 30 GHz Lightwave Converter Note Ali 83440 orders must specify an optical connector option
5. 5V supply General Purpose Variable Power atthe rear of the 86100B _ Supply Use the 83440 60005 cable in series with the 83440 60004 cable Agilent Network Analyzers with Probe Power Use the 83440 60006 cable to connect to the Probe Power except opt 050 a bias tee such as Port of the network analyzer the 116124 is required to supply dc bias return path Alternatively an attenuator on the output may be used to provide a dc bias return path Physical Characteristics General RF Connector Agilent 83440B C 3 5 mm m or 834400 2 4 mm m SEQ ESD Susceptibility at RF Pin 200 V DC Bias Voltage 10 to 15V dc required Power Consumption 18 mVA Weight 0 14 kg 0 31 Ib Operating Temperature 6 55 deg C Compatible Fiber 98 125 single mode fiber Photodiode Package Hermetically sealed PIN diode Output Impedance Unterminated 56Q terminated for Agilent 83440B Opt 050 Calibration Recommended calibration interval is two years Mechanical 83440B C D 4 10 5 8 41 5718 across flats 105 10 2 30 4 13 M nal All dimensions in mm inches Weight 0 14 kg 2 31 Blas Pot Adi tolerances 0 1 uniess otherwise noted Center conductor 10 to 15 vde Outer conductor Common Connectors Optical Input Electrical Output ESD Sensitive Parts Specify optical input connector option 3 5 ram 83440B C The 83440 features a captive RF connector when ordering Agilent 88440B C D 2 4 mm 83440D cap to protec
6. applying the instrument by giving typical but non warranted performance pean These are denoted as typical nominal or approximate Typical Response Curves 34400 Uncorrected System Pulse Response 83440D Responsivity vs Wavelength e in Responsivity AAW o oo o mk ho ta Relative voltage in FWHM 14 7 ps 0 850 1000 1300 1550 Wavelength nm 0 50 0 50 100 Time ps Response of a Agilent 83440D ee detector on an Agilent 54124 oscilloscope due to a 2 ps pulsed YAG laser Time Domain l Hequeacy Domain Conversion Bain min into 50 Q load DC Responsivity 4 min 1308 nm 20 V W 1550 nm 15 V W 1300 nm 1550 nm 0 3 A W 0 3 A W 8 dB 10 5 dB Pulse Widtht 10 14 caicutated FWHM 0 44 BW 91 0 312 BW Bandwidth 2 4 lt 13 ps FWHM de to 30 GHz nominal 3dB ae Rise Fall Time 76 90 18 ps cafculated System Aberrations 13 response to 2 ps FWHM pulse 20 peak to peak max lt 12 typical Noise 8 1 pW RMS max equivalent optical noise power Noise Equivalent Power lt 18 pW Viz typical Dark Current 20 nA max 4 nA typical Maximum Safe Input Optical Power 10 mW Peak 10 dBm Peak Maximum Operating Input Optical Power Compression Poi nt 2 mW Peak 3 dBm Peak See saturation chart for pulsed power characteristics Input Optical Reflection HMS 10 optical connector 0 18 1250 1600 nm Input Optical Return Loss HMS 10 optical connector
7. e LJ e e 6 oo 0 eee 40 e 9 e s e e e Fast 15 22 or 73 ps full width half max FWHM pulse response Broad 6 20 or 30 GHz bandwidth 3 dBopt Small convenient package Low pulse aberrations Integral bias regulation Ideal for high speed digitizing oscilloscopes Make lightwave measurements with traditional electrical instruments the Agilent 83440 family offers a high speed optical interface for oscilloscopes spectrum analyzers and network analyzers With as low as 15 ps FWHM pulse response the 83440 accurately converts modulated optical wave forms to electrical signals enabling electrical instruments to measure time domain pulse parameters and frequency domain spectral content Characterize and optimize laser and optical modulator output performance for fiber optic telecommunications Agilent 83440B C D High Speed Lightwave Converters DC 6 20 30 GHz 1000 to 1600 nm Technical Specifications Description The 83440 lightwave converters are fast accurate DC coupied opticai to electrical O E converters packaged as small optical probes They mount directly to electrical instrument front panels to simplify integration and minimize distortion and loss from cables connectors and signal condi tioning components A simple inter nal structure ensures very low signal distortion for improved output signal fidelity By eliminating all unneces sary components along the sig
8. in u a P Frequency Domain Typical 83440C u Conversion Gain min into 59 Q load DC Responsivity 4 min Saturation Characteristics 1300 nm 35 V W 1550 nm 32 5 V W 1300 nm 1550 nm 0 70 A W 0 65 AZW 3 1 dg 3 7 dB 1 Pulse Width 4 10 Bandwidth34 lt 22 ps FWHMS calculated FWHM 0 44 BW opt 8 312 BW de to gt 20 GHz 3dB optical AN E a ae ee AER at CIS NE E AQ UE MERE Rise Fall Time 10 10 90 lt 24ps calculated E System Aberrations 13 response to 2 ps FWHM pulse F ds 10 peak to peak max 96 typical 3 i re E ua Noise 1 Noise Equivalent Power s 3 7 pW RMS max equivalent optical noise power lt 18 pW NHz typical Dark Current 20 nA max 3 nA typical 0 nA max 3nA typica 0 500 Maximum Safe input Optical Power Peak Optical Power mW 10 mW Peak 10 dBm Peak 5 ps pulse width 1060 nm Maximum Operating Input Optical Power Compression Point 2 mW Peak 3 dBm Peak See saturation chart for pulsed power characteristics input Optical Refiection Input Optical Return Loss HMS 10 optical connector HMS 10 optical connector 8 05 1250 1808 nm gt 33 dB 1250 1800 nm Wavelength Spectral Response 1006 nm 1608 nm See Notes page 7 Agilent 83440D Specifications and Characteristics Specifications describe the instrument s warranted performance over the temperature range 0 to 55 C except where noted Supplemental Characteristics are intended to provide information useful in
9. l Return Loss HMS 19 optical connector 233 dB 1250 1890 nm input Optical Reflection HMS 10 optical connector 05 1250 1500 nm Wavelength Spectral Response 1608 nm 1600 nm 834408 Frequency Response Relative Electrical Bandwidth 3 6 9 Frequency GHz Deconvolved frequency response from 2 ps pulsed YAG laser measured by Agilent 83440B and Agilent 54124 oscilloscope Typical 834408 Saturation Characteristics Q 500 Peak Optical Power mW 9 ps pulse width 1060 nm See Notes page 7 Agilent 83440C Specifications and Characteristics Specifications describe the instrument s warranted performance over the temperature range 0 to 65 C except where noted Supplemental Characteristics are intended to provide information useful in applying the instrument by giving typical but non warranted performance parameters These are denoted as typicai nominal or approximate Typical Response Curves 83440C Uncorrected 83440 Pulse System Response Frequency Response 6 83440C Responsivity vs Wavelength 8 EE 5 5 a 4 amp FWHM 20 3 ps S 3 E 92 t LI A 0 850 1050 1300 1550 Wavelength nm i Frequency GH2 i i Deconvolved frequency response from 100 0 100 2 ps pulsed YAG laser measured by Time ps Agilent 83440C and Agilent 54124 oscilloscope Response of a Agilent 83440C lightwave detector on an Agilent 54124 oscilloscope due to a 2 ps pulsed YAG laser Time Doma
10. nal path the 83440 family offers very accurate electrical representations of modulated optical waveforms The 83440 family features hermetically sealed unamplified InGaAs photodi odes The input optical port features the Agilent universal optical inter face compatible with most common optical connectors see Connectors page 6 while the output electrical port features a precision 3 5 mm 83440B C or 2 4 mm 83440D microwave coaxial connector Fast optical detector for characterizing lightwave signals Time Domain Applications Ideal for high speed laser and modulator testing the DC coupled 83440 family faithfully reproduces incoming optical signals for accu rate pulse parameter characteriza tion Broad bandwidth nearly Gaussian response characteristics and low pulse aberrations make these optical detectors an excellent choice for high speed time domain mea surements Frequency Domain Applications The frequency domain allows users to measure quantify and model modulated characteristics such as spectral purity harmonic content and noise spectral density The 83440 family allows electrical frequency domain instruments like network and spectrum analyzers to accept optical input signals for basic lightwave measurements UE Agilent Technologies Agilent 83440B Specifications and Characteristics Specifications describe the instrument s warranted performance over the temperature range 0 to 55 C excep
11. of warranty repairs and on site education and training as well as design system integration project management and other professional engineering services Experienced Agilent engineers and technicians worldwide can help you maximize your productivity optimize the return on investment of your Agilent instruments and systems and obtain dependable measurement accuracy for the life of those products By internet phone or fax get assistance with all your test amp measurement needs Online assistance www agilent com comms lightwave Bey Agilent Email Updates www agilent com find emailupdates Gat the latest information on tha products and applications you select Phone or Fax United States tel 1 800 452 4844 Canada tel 1 877 894 4414 faxj 805 282 6495 China tal 800 810 0189 fax 1 0800 650 0121 Europe tel 31 20 547 2323 fax 31 20 547 2390 Japan tel 81 426 56 7832 fax B1 426 56 7840 Korea tel 82 2 2004 5004 ffax 82 2 2004 5115 Latin America tel 305 269 7500 fax 305 269 7599 Taiwan telj 080 004 7866 fax 886 2 2545 6723 Othar Asia Pacific Countries tel 65 375 8100 fax 65 836 0252 Email tm asiaagilent com Product specifications and descriptions in this document subject to change without notice 1991 1982 1996 2000 2001 2002 Agitent Technologies Inc Printed in USA August 29 2002 5988 7788EN ES Agilent Technologies ea S
12. ologies aims to maximize the value you receive while minimizing your risk and problems We strive to ensure that you get the test and measurement capabilities you paid for and obtain the support you need Our extensive support resources and services can help you choose the right Agilent products for your applications and apply them successfully Every instrument and system we sell has a global warranty Support is available for at least five years beyond the production life of the product Two concepts underlie Agilent s overall support policy Our Promise and Your Advantage Our Promise Our Promise means your Agilent test and measurement equipment will meet its advertised performance and functionality When you are choosing new equipment we will help you with product information including realistic performance specifications and practical recommendations from experienced test engineers When you use Agilent equipment we can verify that it works properly help with product operation and provide basic measurement assistance for the use of specified capabilities at no extra cost upon request Many self help tools are available Your Advantage f Your Advantage means that Agilent offers a wide range of additional expert test and measurement services which you can purchase according to your unique technica and business needs Solve problems efficiently and gain a competitive edge by contracting with us for calibration extra cost upgrades out
13. t the RF center pin from electro 81000 AI Diamond HMS 10 DC Bias Input Quick connect Static discharge ESD Use proper ESD precau 81000FI FC PC connector LEMO bias port tions when working with RF and bias ports 81000 SI DIN 47256 connector Keep RF port capped when not in use 81000 VI ST connector 81000 KI SC connector See Notes page 7 Shipping Contents One 88440 Lightwave Detector with response data sheet example shown below User specified optical connector adapter Three de bias cables 83440 60004 83440 60005 83440 60006 Each 83440 is shipped with instrument specific frequency response and conversion gain de responsivity data 83440C S N XXXXAXXXXX Frequency Response Relative to DC O amp Response cBa 40 c 80 1 20 48 0 20 0 Frequency GHz l De Respeosivity V W idem 47 4 i330 nua 41407 OE Response dBo Fig Do Ampl Prey Ampl M Frey eo Amp Freq Ampl Hz Ma GHz BO itz Bo Kil dio oc 0500 40 600 44000 6 164 9 8000 0 50 4 15 6000 0 692 060600 ogak 46000 Hdi 18 000 9 342 65 2000 0 704 G60700 8003 A8000 01M 303000 0360 15 4000 6 712 040800 0 007 5 0000 9148 10 4000 9 410 15 6000 0755 0 0000 QOQI 2000 0145 106000 0429 15 8000 0788 0 1900 0 005 4000 0 147 16 3900 5432 16 0000 0864 62000 00313 gt a000 0 43 110000 0 546 16 2000 0944 Q4 000 0029 53060 p121 1
14. t where noted Supplementa Characteristics are intended to provide information useful in applying the instrument by giving typical but non warranted performance parameters These are denoted as typical nominal or approximate Typical Response Curves 834408 Uncorrected Pulse System Response 1 834408 Responsivity vs Wavelength 8 7 S Ez 5 E 4 z amp 3 amp 2 d J 0 850 1050 1300 1550 Wavelength ntn 100 Time ps Response of a Agilent 834408 lightwave detector on an Agilent 54124 oscilloscope due to a 2 ps pulsed YAG laser Time Domain Frequency Domain Conversion Gaia 4 min into 50 Q load DC Respensivity 4 min 1300 nm 35 V W 1559 nm 32 5 V W 1306 nm 1550 nm 0 70 A W 0 65 A W 3 1 dB 3 dg Opt 050 18 5 V W 15 V W 0 33 A W 0 30 A W 9 8 dB 10 5 dB Pulse Width 410 Bandwidth lt 73 ps FWHM calculated FWHM 0 44 BWopr 0 312 BW4 de to 6 GHz 3dB optical Rise Fatl Time 0 10 9076 lt 80ps calculated System Aberrations 3 response to 2 ps FWHM pulse 18 peak to peak max 5 typical Noise Equivalent Power 18 pW Hz typical Noise 2 pW RMS max equivalent optical noise power Dark Current 56 nA max 15 nA typical Maximum Safe Input Optical Power 10 mW Peak 19 dBm Peak Maximum Operating Input Optical Power Compression Point 2 mW Peak 3 dBm Peak See saturation chart for pulsed power characteristics Input Optica
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