d2:laser_controller
Differences
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d2:laser_controller [2018/11/26 19:53] – Michael Radunsky | d2:laser_controller [2019/03/25 20:59] – Michael Radunsky | ||
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</ | </ | ||
+ | |||
+ | =====Purchase Includes: | ||
<WRAP group> | <WRAP group> | ||
<WRAP half column> | <WRAP half column> | ||
- | =====Purchase Includes: | ||
* D2-105 Laser Controller | * D2-105 Laser Controller | ||
* D2-007 Laser Controller Breakout Board (See <imgref 007> | * D2-007 Laser Controller Breakout Board (See <imgref 007> | ||
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</ | </ | ||
<WRAP half column> | <WRAP half column> | ||
- | |||
<WRAP round box 250px>< | <WRAP round box 250px>< | ||
- | </ | + | </ |
- | </ | + | |
===== Absolute Maximum Ratings ===== | ===== Absolute Maximum Ratings ===== | ||
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When disconnected, | When disconnected, | ||
+ | |||
+ | The Servo Input on the front panel continues to function when the SETPOINT ENABLE is pulled low. | ||
=====Turning on the Laser Diode===== | =====Turning on the Laser Diode===== | ||
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To reset the temperature loop parameters to the approximate settings for a Photodigm TOSA DBR Laser: | To reset the temperature loop parameters to the approximate settings for a Photodigm TOSA DBR Laser: | ||
- The T1 loop is not used as the TOSA only has one TEC. | - The T1 loop is not used as the TOSA only has one TEC. | ||
- | - Set the dip switches to the configuration shown in <tabref factory_set2_post6987_TOSA> | + | - Set the T2 dip switches to the configuration shown in <tabref factory_set2_post6987_TOSA> |
- Measure the resistance across GND5 and probe point GAIN2. Set this resistance to between 1.01 kΩ and 1.03 kΩ by adjusting trimpot PROPGAIN2. | - Measure the resistance across GND5 and probe point GAIN2. Set this resistance to between 1.01 kΩ and 1.03 kΩ by adjusting trimpot PROPGAIN2. | ||
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====User Control of the Poles and Gain==== | ====User Control of the Poles and Gain==== | ||
- | If you remove the right side panel on the Laser Controller, for each stage of temperature control, you will see the panel shown in <imgref side_adjustb> | + | If you remove the right side panel on the Laser Controller, for each stage of temperature control, you will see the panel shown in <imgref side_adjustb> |
Similarly, the switches labeled " | Similarly, the switches labeled " |
d2/laser_controller.txt · Last modified: 2024/03/27 15:33 by Thomas Bersano