Model 710 TO-CAN Laser Diode Mount User`s Manual
Contents
1. see figure 5 for examples from the spec sheet of the laser diode 2 From the cold plate socket connections see figure 6 the corresponding wires can be connected to the proper terminal block 3 For cases where there are common pins 3 pin LD configurations between photo diodes and laser diodes internal to the device the wiring can be made just as simply See next section LD Anode PD Cathode LD Anode PD Cathode LD Anode PD Anode 2 1 3 1 3 LD Z gt PD LD Ze PD LD Z2 PD 1 3 2 2 LD Cathode PD Anode LD Cathode PD Anode LD Cathode PD Cathode Figure 5 Three popular laser diode configurations 4 Make sure the wire connections are completed before inserting the laser diode Disassembly Instructions 13 LD Socket Pin Connections Pin 1 Black Wire Pin2 White Wire Pin 3 Red Wire Pin4 Blue Wire de Figure 6 Cold plate socket connections 4 3 3 Disassembly Instructions Terminal Block Connections The terminal blocks are used for quick and secure connection of the wires without having to perform any soldering operations Each terminal block has a label indicating its electrical connection You can also refer to Figures 6 and 7 and table 3 for the description of the terminal block connections Terminal Block Connection Notes Used with BIAS T application 7 i PD Anode Connected to pins 7 of DB 9 Connector PD Cathode Co2. Service WARNING There are no user serviceable parts inside the Model 710 Temperature Controlled Laser Diode Mount Work performed by persons not authorized by Newport Corporation will void the warranty Obtaining Service The Model 710 Temperature Controlled Laser Diode Mount contains no user serviceable parts To obtain information regarding factory service contact Newport Corporation or your Newport representative Please have the following information available 1 Instrument model number on the side of the unit 2 Instrument serial number on the side of the unit 3 Description of the problem If the mount is to be returned to Newport Corporation you will be given a Return Number which you should reference in your shipping documents Please fill out a copy of the service form located on the following page and have the information ready when contacting Newport Corporation Return the completed service form with the instrument 6 2 Service Form GD Newport Newport Corporation U S A Office 800 222 6440 FAX 949 253 1479 Name Return Authorization Please obtain RA prior to return of item Company Please obtain RA prior to return of item Address Date Country Phone Number P O Number FAX Number Item s Being Returned Model Serial Description Reason for return of goods please list any specific problems
3. unit and in the operating instructions Do not use this equipment in or near water This equipment is grounded through the connections to the laser diode driver and TE controller Route connecting cables so that they are not likely to be damaged Disconnect power before cleaning the equipment Do not use liquid or aerosol cleaners use only a damp lint free cloth General Cautions Observe these cautions when operating this equipment If this equipment is used in a manner not specified in this manual the protection provided by this equipment may be impaired Follow precautions for static sensitive devices when handling this equipment This product should only be powered as described in the manual Safety Precautions There are no user serviceable parts inside the Model 710 Laser Diode Mount Adhere to good laser safety practices when using this equipment Safety Precautions 1 2 3 Summary of Warnings and Cautions The following general warning and cautions are applicable to this instrument WARNING Before operating the Models 710 Laser Diode Mount please read and understand all of Section 1 WARNING Do not attempt to operate this equipment if there is evidence of shipping damage or you suspect the unit is damaged Damaged equipment may present additional hazards to you Contact Newport technical support for advice before attempting to plug in and operate damaged equipment CAUTION There are no
4. ALL NOT BE LIABLE FOR ANY INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE PURCHASE OR USE OF ITS PRODUCTS First printing 2009 2009 by Newport Corporation Irvine CA All rights reserved No part of this manual may be reproduced or copied without the prior written approval of Newport Corporation This manual has been provided for information only and product specifications are subject to change without notice Any change will be reflected in future printings Newport Corporation 1791 Deere Avenue Irvine CA 92606 USA Part No 90029196 rev D Preface jii Confidentiality amp Proprietary Rights Reservation of Title The Newport programs and all materials furnished or produced in connection with them Related Materials contain trade secrets of Newport and are for use only in the manner expressly permitted Newport claims and reserves all rights and benefits afforded under law in the Programs provided by Newport Corporation Newport shall retain full ownership of Intellectual Property Rights in and to all development process align or assembly technologies developed and other derivative work that may be developed by Newport Customer shall not challenge or cause any third party to challenge the rights of Newport Preservation of Secrecy and Confidentiality and Restrictions to Access Customer shall protect the Newport Programs and Related Materials as trade secrets of Newport and shall devote its best
5. Laser Diodes emit invisible radiation that can cause damage to the eyes Also take precautions to prevent specular reflections from the laser diode s output beam Avoid exposure at all times to laser emissions or collateral radiation in excess of the applicable emission limits given in Performance Standards for Laser Products United States Code of Federal Regulation 21 CFR 1040 10 D Disassembly Instructions 21 9 Disassembly Instructions NOTE These disassembly instructions are intended only for recycling at the end of the product lifetime For troubleshooting or servicing users should contact the local Newport Corporation representative There are no user serviceable parts inside the equipment Attempting to self service the unit will void the warranty Disassembly instructions Figure 8 shows an exploded view of the Model 710 LD Mount For recycling purposes only the disassembly steps are as follows Make sure all cabling is disconnected from unit Remove Cover Remove D Sub Screw locks Remove Main PCB Assembly Remove Cold Plate Assembly Remove LD Connector PCB Assembly Remove TEC Assembly Se Oy A es ee a 22 Disassembly Instructions a COLD PLATE ae COLD PLATE wail HART WARE 4 PLACES R es HOUSING ae LD CONNECTOR PCBA HARDWARE LD CONNECTOR PCBA PCBA HARDWARE 2 PLACES COVER SCREWS Figure 8 Disassembly Diagram D SUB CREWLOCKS 4 PLACES 6 1 Maintenance and
6. Model 710 TO CAN Laser Diode Mount User s Manual Preface Warranty Newport Corporation warrants that this product will be free from defects in material and workmanship and will comply with Newport s published specifications at the time of sale for a period of one year from date of shipment If found to be defective during the warranty period the product will either be repaired or replaced at Newport s option To exercise this warranty write or call your local Newport office or representative or contact Newport headquarters in Irvine California You will be given prompt assistance and return instructions Send the product freight prepaid to the indicated service facility Repairs will be made and the instrument returned freight prepaid Repaired products are warranted for the remainder of the original warranty period or 90 days whichever first occurs Limitation of Warranty The above warranties do not apply to products which have been repaired or modified without Newport s written approval or products subjected to unusual physical thermal or electrical stress improper installation misuse abuse accident or negligence in use storage transportation or handling This watranty also does not apply to fuses batteries or damage from battery leakage THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE NEWPORT CORPORATION SH
7. O CONTROLE S A 1791 Deere Ave Irvine CA 92606 Zone Industrielle Telephone 949 253 1694 45340 Beaune la Rolande FRANCE Telephone 800 222 6440 x31694 Telephone 33 02 38 40 51 56 Asia Newport Opto Electronics Technologies PH EET RA 2535 FAB SH Ble CHAZ WB 200131 253 Aidu Road Bld 3 Fir 3 Sec C Shanghai 200131 China Telephone 86 21 5046 2300 Fax 86 21 5046 2323 Newport Corporation Calling Procedure If there are any defects in material or workmanship or a failure to meet specifications promptly notify Newport s Returns Department by calling 1 800 222 6440 or by visiting our website at www newport com returns within the warranty period to obtain a Return Material Authorization Number RMA Return the product to Newport Corporation freight prepaid clearly marked with the RMA and we will either repair or replace it at our discretion Newport is not responsible for damage occurring in transit and is not obligated to accept products returned without an RMA E mail rma service newport com When calling Newport Corporation please provide the customer care representative with the following information Your Contact Information Serial number or original order number Description of problem 1 e hardware or software To help our Technical Support Representatives diagnose your problem please note the following conditions Is the system used for manufacturing or research and development e W
8. all PC board Cold Plate PCBA is provided in the cold plate and each connection in the socket has a wire pigtail that will connect to the terminal block The wire connections can be changed to accommodate various pin configurations Also the polarization plane of the diode may be changed by rotating the laser diode in 90 Degree increments in the socket the wiring connections will have to be changed accordingly Use the following steps to install and turn on a laser diode 1 Determine desired orientation of the diode Determine pin configuration of the diode 3 Connect the wires to the terminal block according the pin configuration 4 Connect LD Mount to LD driver Install Laser diode 6 Power up Disassembly Instructions 4 3 1 Laser Diode Orientation First step to mounting the laser diode is to determine the desired orientation of beam output of the diode e g polarization direction The emitting area of most laser diodes is rectangular in shape resulting in the elliptical beam shape output The polarization is generally aligned with the shorter dimension of the rectangle which is also the semi major axis of the elliptical beam emitting from the diode The documentation provided with the laser diodes should describe or indicate the orientation with respect to the markings on the TO CAN 4 3 2 Wiring Diagram Once the orientation of the TO CAN is determined the wiring can be completed as follows l Determine the pinout
9. att thermoelectric modules for active heating and cooling A series connection is used to maximize their efficiency when used with a Model 300B Series Temperature Controller insuring that the current flow to the TE modules does not exceed their maximum current rating In series these TE modules can handle a maximum of 6 0 Amps and will drop a maximum of 7 5 volts Care must be taken not to exceed the TE modules maximum temperature rating of 80 degrees C If your application requires operating at a higher temperature contact Newport Corporation Even though the TE modules can dissipate up to 25 watts at high heat levels convection cooling may not be sufficient to stabilize the heat dissipation limiting the mount s ability to maintain the laser at the target set temperatures below ambient Fan cooling increases the mount s dissipation efficiency and will allow operation at the desired temperatures preventing thermal saturation or runaway conditions Consult Newport if you have requirements to lower the temperature of a laser diode below 10 degrees C Electrical Connections Overview Electrical Connections to the laser diode and temperature sensors are facilitated from the inside of the mount requiring removal of the front cover The TE coolers are hard wired to the terminal blocks via the PCBA External connections to a Temperature Controller are made via a DB 15 and to a Laser Diode Driver via a DB 9 connector respectively A BNC connect
10. cccccscsssssssssssssssscsscssssssscccccssssseees 1 Figure 3 Model 710 internal view cccccccccssssssssssssssssssssssssssccccccesssssees 9 Figure 4 Model 710 rear View ssssssssssscecccccccccccoosoccossssesccceeceossssssssssssoe 10 Figure 5 Three popular laser diode configurations sssssssssseceeecccscsssssooe 12 Figure 6 Cold plate socket connections eeeccecscooocossssssseseccceeeceoosssssssssssoe 13 Figure 7 Terminal block connectionS sscceecccecooocosssssssesesecececeoosssssssssssoe 15 Figure 8 Disassembly Diagram ssssssssssssececccccccoccosssssssssesececececssssssssssssoe 22 List of Tables Table 1 General Specifications ccccccccccssssssssscsscccccsssssssscsccccssssssssscsees 5 Table 2 Environmental Specifications sscccccccccsssssssssssscccccssssssssssees 6 Table 3 Terminal Block Connections ssssscsscccccssssssssssssccccsssessess 14 viii Preface This page intentionally left blank 1 1 1 1 1 1 1 2 Safety Precautions Definitions and Symbols The following terms and symbols are used in this documentation where safety related issues occur Figure 1 General Warning or Caution Symbol General Warning or Caution The Exclamation Symbol in the figure above appears on the product and in Warning and Caution tables throughout this document This symbol designates that documentation needs to be consulted to determine the nature of a pot
11. cted and the instruments grounded insert laser diode into socket and secure with retaining plate Ready to turn on the laser diode If a Temperature Controller is connected the displayed measured temperature with the device off and the TEC not active should be room temperature Set temperature of the controller to a desired value per manufacturer s spec sheet and turn on Set drive current of the laser diode according to the manufacturer specifications and turn on laser diode 4 4 4 5 4 6 Disassembly Instructions 17 Collimation Lens Optional The Model 710 Temperature Controlled Mount is designed to accept the Newport LP 05A XYZ lens mount The combination of this Newport standard opto mechanical lens mount with the Model 710 provides a versatile assembly for collimating the output of a laser diode with either standard 1 2 lenses GRIN lenses or Molded Glass Aspheric lenses using an adapter The range of adjustment is 3 2 mm in the X and Y directions with a 100 pitch screws and 6 4mm along the focal axis with an 80 thread screw All screws use non outgassing grease for smooth and accurate adjustments The lens adapters for GRIN and Aspheric lenses can be easily removed permitting different sets of optics to be inserted Check the webpage on the model 710 for the latest range of accessories and collimating optics Thermoelectric TE Modules The Model 700 Series Temperature Controlled Mount uses two 12 5 W
12. d Laser Diode Mount Anatomy 9 4 2 Laser Diode Handling Precautions ccc ceececcceceecceeeeeeeeeeeeees 10 AD Laser Diode Montin sresti caee tsa enantesisliaiecnceessistaiaaeene 11 4 3 1 Laser Diode Orientation eeessssoeeessssssssseeersssssssseeeres 12 Ao Wine Drasta erden a ha daca cerns 12 4 3 3 Terminal Block Connections essseenseesssssssseeresssssssee 14 dko Example E 16 4 4 Collimation Lens Optional cccccsssssseeeceeeeeeeeeeeeeeeeeees 17 4 5 Thermoelectric TE Modules rererere onea 17 4 6 Electrical Connections Overview cccceseeeseseceeeeeeeeeesseeeeeees 17 4 6 1 Temperature Controller Connection cccccccccsseeeeees 18 4 6 2 Laser Diode Driver Connection c ceccececeececeeees 18 Preface 4 7 Modulation Input Connection ccsssessseceeeeeeeeeeeeseeeeeees 19 4o Purse NIP DC esneari nati elodmamelsutalwetiedel meshes 19 4 9 General Operating PLOCeCUtes vicicecovsstssnuescacntoutudeensiearterowercsuntesss 19 Disassembly Instructions 21 DPisassembIy ms CUCU ONS eaea ew aneseicetbewegeiah ates 21 Maintenance and Service 23 Oy ODUM SEC VIC eC sian etwas aheneler E A uae 23 62 Sevice ONIN ararasan cnsieantdene sua cues toe Aenea raa dare aeie 24 Preface vil List of Figures Figure 1 General Warning or Caution Symbo0l ccccsssssssssscccccsssseees 1 Figure 2 WEEE Directive SyMmbol cc
13. diode b All related test and assembly equipment must be properly grounded 4 3 Disassembly Instructions 11 Laser Diodes can only withstand a maximum reverse voltage of 2 to 3 volts across their leads and no more than their maximum rated current in the forward direction Always follow the manufacturer s instructions for removing and handling laser diodes It is recommended that the connection to the laser diode remain floating relative to Chassis Ground earth ground This prevents AC transients or other voltage potentials due to multiple earth ground loops from damaging the laser diode Extreme care must be taken to ensure that all devices including the Model 500B Series and any devices connected to the laser diode such as an external modulations source are all grounded to the same earth ground point It is strongly recommended that this common earth ground be the chassis ground pin 3 on the sub D 9 Pin connector If you have any questions on earth grounding a laser diode contact a Newport Applications Engineer Laser Diode Mounting The laser diode is mounted to the cold plate built into the Model 710 Temperature Controlled Mount A combination 9mm 5 6mm retaining plate holds the laser diode in place with two screws and accommodates both TO 56 and TO 9 packages The threaded holes in the cold plate used for the retaining plate can also accommodate mounting the pigtailed laser diodes supplied by Newport A 4 pin socket on a sm
14. e Work Surface The most important consideration while installing the laser diode into the mount is protection against static discharge Make sure you have the proper static protection equipment including the following items l 2 gt Wrist strap and proper grounding connection Static protective mat Connect the LD mount to LD driver and Temp controller Make sure the units are grounded to the same ground as the static wrist strap before installing the laser diode Contact Newport Technical support if you have further questions 4 1 System Operation WARNING Before operating the Models 710 Temperature Controlled Laser Diode Mount please read and understand all of Section 1 Temperature Controlled Laser Diode Mount Anatomy The Laser diode mount has the following components Solder Post Terminal Blocks ee ee eee eoo Figure 3 Cold Plate PCBA TE Coolers Q 75 6 6 S 6 6906 6 6 Model 710 internal view Q 4 2 Disassembly Instructions Solder Post DB 15 Connector Temp Controller Figure4 Model 710 rear view Laser Diode Handling Precautions CAUTION Laser diodes are extremely sensitive to static discharge The manufacturer s guidelines should be followed at all times when handling laser diodes For a safe installation of the laser diode into the mount please observe the following a All operators must be properly grounded before handling any laser
15. efforts to ensure that all its personnel protect the Newport Programs as trade secrets of Newport Corporation Customer shall not at any time disclose Newport s trade secrets to any other person firm organization or employee that does not need consistent with Customer s right of use hereunder to obtain access to the Newport Programs and Related Materials These restrictions shall not apply to information 1 generally known to the public or obtainable from public sources 2 readily apparent from the keyboard operations visual display or output reports of the Programs 3 previously in the possession of Customer or subsequently developed or acquired without reliance on the Newport Programs or 4 approved by Newport for release without restriction Trademarks The Newport logo is a registered trademark of Newport Corporation in Austria Barbados Benelux Canada the People s Republic of China Denmark France Germany Great Britain Ireland Japan the Republic of Korea Spain Sweden and the United States Service Information This section contains information regarding factory service for the source The user should not attempt any maintenance or service of the system or optional equipment beyond the procedures outlined in this manual Any problem that cannot be resolved should be referred to Newport Corporation Preface Technical Support Contacts North America amp Asia Europe Newport Corporation Service Dept Newport MICR
16. ential hazard and any actions that have to be taken Waste Electrical and Electronic Equipment WEEE Figure2 WEEE Directive Symbol This symbol on the product or on its packaging indicates that this product must not be disposed of with regular waste Instead it 1s the user responsibility to dispose of waste equipment according to the local laws The separate collection and recycling of the waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For information about where the user can drop off the waste equipment for recycling please contact your local Newport Corporation representative See Section 5 for instructions on how to disassemble the equipment for recycling purposes 1 2 1 2 1 1 2 2 Safety Precautions Warnings and Cautions The following are definitions of the Warnings Cautions and Notes that are used throughout this manual to call your attention to important information regarding your safety the safety and preservation of your equipment or an important tip WARNING Situation has the potential to cause bodily harm or death CAUTION Situation has the potential to cause damage to property or equipment NOTE Additional information the user or operator should consider General Warnings Observe these general warnings when operating or servicing this equipment Heed all warnings on the
17. hat was the state of the system right before the problem e Have you seen this problem before If so how often Can the system continue to operate with this problem Or is the system non operational Can you identify anything that was different before this problem occurred Preface V Table of Contents W a eee en et Nee Maen ey ae TC eee teen enr eae teen a Tener an il Techical Suppor Contacts ages es desiedon ects cs veaienaincs dust anutetowarinnatiula ss ahve 1V Tablo ol CONCOS enaa a A a en soyueeuiaiaes V MTSU OTE OU S aa a a acerca a es eae vii ECOL UGS eean n E a takac anes vii 1 Safety Precautions 1 1 1 Definitions and Symbols esssssseeessssssssssssserrssssssseersssssssseeeerssssss l 1 1 1 General Warning or Caution seeeesssssssoeeeessssssseererrssss l 1 1 2 Waste Electrical and Electronic Equipment WEEE l 122 Warnings and Cautions cicassvessscedssusiets nane 2 EL General Warnini Sais sietres seb tulcasaldadeoatanasb needed 2 12 2 General CAUMOWS sees SE 2 1 2 3 Summary of Warnings and Cautions ccccccceeeeeseeeees 4 2 General Information 5 2E E O EE A E 5 22 SPee AMOS sa A r s 3 Getting Started 7 31 Unpacking and Handling cesesrcsinii t 7 32 specion for DD AIM ASC sissen E 7 ek de ANS ASU at us ah eet aes aetna E ane ues aan enced 8 3 4 Choosing and Preparing a Suitable Work Surface 0666 8 4 System Operation 9 4 1 Temperature Controlle
18. hermistor does not have electrical polarization so either wire can be connected to the Sensor or Sensor The AD592CN sensor needs to be connected with proper polarization Connect blue wire to Sensor and the Red wire to Sensor terminal blocks 16 _______Di assembly Instructions S 4 3 4 Example This is an example to help understand the wiring connections 1 2 oF 10 11 12 13 14 15 16 LD configuration in figure 3 laser diode on the left is used for the example Use pins 1 2 and 3 on the socket in the mount see figure 6 Pin 1 of the TO CAN is the LD Cathode will connect to pin 1 of the socket Black wire from the 1 socket will connect to terminal block 2 labeled LD Cathode Pin 2 of the TO CAN is the LD Anode and PD Cathode Pin 2 also happens to match the pin number in the socket leading to the white wire Connect white wire to terminal block 3 LD Anode and put a jumper wire also from terminal block 3 to terminal block 5 PD Cathode Pin 3 of the TO CAN is the PD Anode and will align to socket 3 of the mount Red wire connection Connect the red wire from the socket to terminal block 5 PD Anode Connect one of the sensors Thermistor to Terminal Bocks 6 and 7 Secure all wires by tightening the flat head screws on the terminal blocks Gently pull on each connected wire in the terminal block to ensure they are secured With all other external cables already conne
19. is visible damage upon receipt inform the shipping company and Newport Corporation immediately You may consider saving the box in case of shipping needs in the future WARNING Do not attempt to operate this equipment if there is evidence of shipping damage or you suspect the unit is damaged Damaged equipment may present additional hazards to you Contact Newport technical support for advice before attempting to plug in and operate damaged equipment CAUTION The user is advised to save the packaging material in case the unit has to be shipped to a different location The packaging material is specially designed to protect the unit during shipping 3 3 3 4 Getting Started Parts List The following is a list of parts included in Model 710 User manual hardcopy part number 90029196 LD Mount If parts are missing or there are questions regarding any of the above items please contact Newport Corporation technical support at 800 222 6440 Customer supplied Equipment 1 Adequate work surface recommend Newport type breadboard or optical table Post and post holder with 8 32 or M4 thread 3 DB 9 and DB 15 cables for LD control and Temperature ot SN Controller 500 04 and 300 04 respectively LD Driver and Temp Controller Newport models 500B and 300B series products recommended Anti Static mat Anti static grounding wrist strap Laser diode Laser protective eyewear Choosing and Preparing a Suitabl
20. nnected to pin 6 of DB 9 Connector 6 sensor Connected to pin 7 of DB 15 Connector Connected to pin 8 of DB 15 Connector Table 3 Terminal Block Connections 1 To insert wires into the terminal blocks first unscrew the flat head screws in the specific terminal block for connection then insert wire and tighten the screw 2 Gently pull on the wire to insure it actually locked in place If the wire comes out undo the screw again re insert wire to the bottom of the terminal block and tighten the screw again 7 Recheck the wire to make sure 1t 1s secured 4 For pin connections requiring interconnects e g LD Anode to PD Cathode use the two extra wires provided in the terminal blocks to connect across the terminals You might have to put two wires into each related terminal blocks 5 Make sure the DB 9 and DB 15 cables are already connected to LD mount and the laser diode driver and TE cooler and that they are plugged in and grounded properly 6 Remove retaining plate if not already Insert the laser diode into the socket and secure into place using the retaining plate Do not over tighten screws the TO CAN may be damaged from excessive force Disassembly Instructions 15 bat A A A A A ACE EEEESSS Figure 7 Terminal block connections Connect one of the sensors to terminal blocks 6 and 7 The thermistor is most commonly used for room temperature or greater temperature value applications The T
21. onnected 7 5V at 6 Amp max at 25 Deg ambient temp 15 pin male D sub laser temperature control 9 pin male D sub Connectors laser diode current control isolated chassis mount BNC and solder post Other Dry nitrogen purge nipple Temperature Range 10 C to 80 C Sensor Type 10 kQ thermistor and AD592CN user selectable Table 1 General Specifications General Information Environmental Specifications Size H x W x D in mm Weight Ib kg Operating Temperature Storage Temperature Relative Humidity Storage Use Location Table 2 4 0 101 6 4 0 101 6 4 0 101 6 x 1 95 49 53 without collimation 4 0 101 6 x 2 9 7 with LP O5A XYZ lens mount 0 C to 30 C lt 90 humidity non condensing 30 C to 60 C lt 90 humidity non condensing lt 90 humidity non condensing Indoor use only Environmental Specifications 3 1 3 2 Getting Started Unpacking and Handling The Temperature Controlled Laser Diode Mount is designed for easy setup and use To unpack remove the Mount from its packaging A post holder system not included will be needed with this unit The mount accommodates 8 32 and M 4 threads e g PS 2 post and PS F clamping fork Inspection for Damage The LD Mount is carefully packaged at the factory to minimize the possibility of damage during shipping Inspect the box for external signs of damage or mishandling Inspect the contents of the box for damage If there
22. or and Solder 4 6 1 4 6 2 Disassembly Instructions Post are supplied on the mount to input modulation signals via a Bias Tee module not supplied that will reside outside of the laser diode mount Temperature Controller Connection A DB 15 connector has been provided to connect the TE modules and thermistor to a temperature controller A Model 300B Series Temperature Controller can be connected directly to the DB 15 connector using Newport s cable part number 300 04 Looking from the outside of the mount pin numbers can be seen on the connector s insulation printed around the pins Pin Connection 1 amp 2 TE Pre connected to TE cooler from factory 3 amp 4 TE Pre connected to TE cooler from factory 7 Sensor 8 Sensor Pins 1 amp 2 and 3 amp 4 are pre connected together from the factory inside the main housing on the PCBA so that currents up to 6 Amps can be supplied to the TE coolers The user does not need to change any setting or wiring on these connection The Model 710 Series Temperature Controlled LD Mount comes with a precision 10 kOhm thermistor and an AD592 sensor The mount is supplied with the sensors unconnected The sensor pins on the DB 15 connector are permanently attached to the terminal blocks via the PCBA The user can select the sensor type to be connected via the terminal blocks When connecting the AD592 sensor assure that the polarization is correct RED lead is S and BLUE lead i
23. s S Laser Diode Driver Connection A DB 9 male connector has been provided pre connected to the PCBA from the factory The key connections are routed to the terminal blocks on the PCBA for user adjustability A Model 500B Series Laser Diode Driver can be connected directly to the mount using Newport s cable part number 500 04 Looking from the outside of the mount the pin numbers can be seen on the connector s insulation printed around the pins Pin Connection 3 Chassis Ground 4 5 Laser Cathode 6 Photodiode Cathode 7 Photodiode Anode 8 9 Laser Anode 4 7 4 8 4 9 Disassembly Instructions 19 The chassis ground connection earth ground can be used if there is a danger of electrostatic discharge ESD to the laser This connection provides a path to earth ground for energy arising from ESD at the laser diode case The ground connection must be made at the laser diode and only one ground path must be made The mount and any equipment connected to the mount must have only one ground path and that must be through the chassis ground pin pin 3 on the laser diode connector If possible the laser diode should be left floating with no connection to earth ground to improve transient protection and to prevent ground loop potentials created from improper earth grounding which could damage the laser diode Modulation Input Connection On the back of the mount a BNC Connector and a Soldering Post are provided which can be
24. used in conjunction with a BIAS T to input a modulation signal The Bias T will have to be external to the mount and additional internal wiring will be necessary for properly operating the instrument Purge Nipple To prevent condensation from occurring on the laser diode when operating below ambient temperatures a dry nitrogen purge nipple is supplied with the mount The purge nipple is located on the lower back side of the mount Flexible tubing with an inside diameter of one sixteenth 1 16 inch is used to connect the mount to a dry nitrogen source When the collimating lens housing is not used the flow of nitrogen must be great enough to fill the front portion of the mount and flow out of the front cover around the laser diode package General Operating Procedures 1 Securely mount the Model 710 Temperature Controlled Mount on an optical table by using a post and post holder system not supplied with the mount 2 After securing the mount connect the cables of the temperature controller and the laser diode driver to the mount 3 Set the maximum TE module current on the temperature controller 4 Set the current limit level on the laser diode driver and the desired drive current Turn the output of the laser diode driver on 5 Allow the mount to stabilize its temperature which may take up to one half of an hour 20 Disassembly Instructions WARNING Never look directly into the output aperture of the mount at any time
25. user serviceable parts inside the Models 710 Temperature Controlled Laser Diode Mount Work performed by persons not authorized by Newport Corporation will void the warranty For instructions on obtaining warranty repair or service please refer to Section 6 2 1 2 2 General Information Introduction The Model 710 Temperature Controlled Mount is a research quality unit that provides precise temperature control of laser diodes The mount includes thermoelectric coolers and an efficient thermal design for optimum cooling or heating A dry nitrogen purge nipple allows the laser diode to be surrounded in a nitrogen environment preventing condensation at below ambient temperatures Connectors on the back side of the Model 710 mount provide a convenient manner to connect a Model 300B Series Temperature Controller and a Model 500B Series Laser Diode Driver The Model 710 Temperature Controlled Mount has been designed to operate laser diodes in TO 56 and TO 9 packaging up to 2 Watts of power Two 12 5 watt thermo electric coolers actively cool and heat the laser diode These coolers are series connected and handle a maximum of 6 0 Amps at 7 5 volts when operated at 25 C ambient temperature Specifications Model 710 Types of Packages TO 56 TO 9 and pigtailed diodes accepted LD Current Input Range 0 to 3 Amps Optical Beam Height 2 00 0 02 from bottom of unit without support TE Modules Two 12 5 Watt 20mm by 20mm series c
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