TCLDM9 Temperature Controlled, Laser Diode Mount for 5.6 and 9 mm LD Operating Manual
Page 1: ...TCLDM9 Temperature Controlled Laser Diode Mount for 5 6 and 9 mm LD Operating Manual ...
Page 2: ...Connection 10 4 3 1 Using the Thorlabs TED Series TEC Controllers 10 4 3 2 Using a third party TEC controller 10 4 4 Mounting other Accessories 11 4 4 1 Mounting Thorlabs Fiber Coupled Pigtailed Lasers 11 4 4 2 The TEC Lockout and Ground Jumpers 12 4 5 Making the Safety Interlock Connections 13 Chapter 5 Operation 14 5 1 RF Modulation 14 5 2 Status and Interlocks 14 Chapter 6 Maintaining the TCLDM...
Page 3: ...ce Symbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal Equipotentiality On Supply Off Supply In Position of a Bi Stable Push Control Out Position of a Bi Stable Push Control Caution Risk of Electric Shock Caution Hot Surface Caution Risk of Danger Warning Laser Radiation Caution Spin...
Page 4: ...le however safety warnings cautions and notes should only appear immediately before the instructions to which they apply versus being listed in this section SHOCK WARNING Warning is given when there is danger of injury to users CAUTION Caution is given when there is a possibility of damage to the product WARNING Given when there is danger of injury to users ...
Page 5: ... diode socket is located very close to the front of the cold plate making the connection of short lead devices easier The pass through design of the socket lets you install long lead diodes up to 3 4 without trimming The TCLDM9 can be easily integrated into any existing optical setup The bottom surface of the TCLDM9 provides 8 32 and M4 mounting holes and its front plate is equipped with tapped ho...
Page 6: ...ode Mount 1981 D03 Rev N June 26 2015 Figure 1 Location of Features Laser On Indicator TEC Interlock Bypass Jumper LD Controller Connetor TEC Controller Connetor Shield Ground Jumper PD Switch LD Switch RF Input SMA Remote Interlock ...
Page 7: ...e LD Laser Diode and PD Photodiode switches located on the top of the unit according to the figure below Figure 2 Polarity Switch Settings 4 Most laser diodes are three pins with the case tied to one of the laser pins and also to one of the photodiode pins The other laser and photodiode pin will be isolated from the case The TCLDM9 was designed to operate the laser case at ground potential therefo...
Page 8: ...im the laser diode leads prior to mounting into this connector unless they are longer than 0 75 Note The laser connector is located close enough to the front face of the copper cold plate to allow easy installation of short leaded lasers The clearance area around the LD and PD sockets is sufficient to prevent the pins from contacting the cold plate Special Note for G Style Configuration Laser Diod...
Page 9: ...ave built in protection circuitry that protects the laser when not in use The nomenclature for the Laser Diode polarity switch on the LDC ITC driver and the TCLDM9 are consistent with each other For example if the laser polarity on the driver is set to AG anode grounded then the LD polarity switch on the TCLDM9 should also be set to AG and so forth The nomenclature for the Photo Diode polarity swi...
Page 10: ...polarity switches i e If the LD and PD switches are set to AG then this pin grounds the Anodes of the laser and photo diodes 2 Photodiode Cathode This pin is connected to the 9 o clock pin on the laser socket when the PD Polarity Switch is set to AG It is attached to ground and the 12 o clock and 6 o clock pins on the laser socket when the PD Polarity Switch is set to CG 4 Photodiode Anode This pi...
Page 11: ...sitive terminal of the TEC element 5 TEC and TEC Lockout This pin is connected to the negative terminal of the TEC element and also is common to the cathode of the photo relay of the TEC Lockout circuit refer to the Status and Interlock section of this manual 1 TEC Lockout This pin is connected to the anode of the photo relay side of the TEC Lockout circuit When using Thorlabs TEDs no external cir...
Page 12: ... pigtail s pin outs are provided with the pigtail data sheet If installed properly the flange of the pigtail will look as shown in figure 4a It may be necessary to trim or remove the foam cold plate insulator 2 Make sure the pigtail s laser diode leads are fully inserted into the socket then slide the FC connector and optical fiber through the opening in the pigtail mounting adapter 3 Slide the ad...
Page 13: ...the cover of the unit and remove the blue jumper from the JMP1 header The jumper can be placed on one or the other header pins for safekeeping An optional ground jumper is also provided to allow connecting the system ground node common to the G pins of the laser diode connector to the metal housing of the unit which is also connected to the shields of the LD and TEC input cables Care should be tak...
Page 14: ...horting device installed and the unit will operate normally as described in the procedures in this manual If you wish to make use of the interlock feature you will need to acquire the appropriate connector mate and wire it your remote interlock switch Next remove the shorting device by pulling it from the input and install the connector into the interlock input The interlock input only accepts a 2...
Page 15: ... the laser manufacturer s data sheets and use the following calculations 50 Ω LD Modulating Current It is strongly recommended that you start off conservatively by a factor of 10 below the calculated modulating voltage and slowly bring the RF power up until the desired depth of modulation is reached Use the laser controller to establish the DC operating point of the laser WARNING The RF input is d...
Page 16: ...mA 4 The driver side of this resistor should be connected to a DC signal that when high indicates that the laser diode is being driven 5 If you have any questions regarding these connections please feel free to contact an engineer at Thorlabs for clarification If you wish to make full use all of the status and interlock features with your third party drivers please contact your local Tech Support ...
Page 17: ...9 Page 16 Rev N June 26 2015 Chapter 6 Maintaining the TCLDM9 There are no serviceable parts in the TCLDM9 The housing may be cleaned by wiping with a soft damp cloth If you suspect a problem with your TCLDM9 please call Thorlabs and an engineer will be happy to assist you ...
Page 18: ...rm when the laser is enabled The LD and PD polarity switch settings are incorrect Refer to Fig 2 and the data sheet for your specific laser diode to ensure the proper settings The LD polarity switch setting on your TCLDM9 must also match the LD polarity switch setting on the rear panel of your LDC series laser diode controller The laser diode is installed into the wrong pins on the laser diode soc...
Page 19: ...arity Select External Slide Switches Laser Interface DB9 Female TEC Specs Max TEC Current 5 A Max TEC Voltage 4 V TEC Heating Cooling Capacity 20 W Typical Temperature Range LD dependent 0 to 70 C Temp Sensors AD592AN 1 μA K Thermistor 10 kΩ 3 at 25 C NTC Beta 3977 K 0 75 TEC Interface DB9 Male General Size 3 5 x 3 5 x 2 Weight 1 3 lbs Accessory Mounting 1 035 40 Thread for SM1 Series Mounts Misce...
Page 20: ...tor Data Figure 8 Thermistor Curve and Data Resistance Ohms Temperature C Resistance Ohms Temperature C 15895 15 9563 26 15153 16 9149 27 14451 17 8755 28 13785 18 8380 29 13155 19 8023 30 12558 20 7684 31 11991 21 7362 32 11454 22 7055 33 10944 23 6762 34 10460 24 6484 35 10000 25 ...
Page 21: ...g Page 20 Rev N June 26 2015 Chapter 9 Drawing 3 50 88 9 mm SM1 1 035 40 Tap 4 40 Tap in 4 Places 30 mm Centers 8 32 Setscrew for Securing SM1 Optic 0 434 from Front Surface to Base of Laser Package 1 00 25 4 mm 0 52 13 mm 0 96 24 mm 2 03 51 6 mm 3 50 88 9 mm ...
Page 22: ...Thorlabs products such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled by the user PCB s housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information Waste Treatment is Your Own Responsibility...
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