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d2:laser_controller [2023/01/06 22:35] – external edit 127.0.0.1 | d2:laser_controller [2024/03/27 15:33] (current) – Captilizing Rth_RTN to match table. Thomas Bersano |
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**Laser Temp Output (8-pin connector)** | **Laser Temp Output (8-pin connector)** |
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An 8-pin Hirose connector (see <tabref TECconnectortable> for identity of connectors) carries the signals for the temperature control of the Laser module. The wiring diagrams are shown in <tabref TEC_connector_pinout> below, where 1 (2) refer to stage 1 (2) temperature control, which stabilizes the Laser Housing (Laser Diode). Rth and Rth_Rtn are the two ends of a 10 kΩ [[http://www.analogtechnologies.com/ath10kr8.html|Analog Technologies ATH10KR8 Thermistor]]. | An 8-pin Hirose connector (see <tabref TECconnectortable> for identity of connectors) carries the signals for the temperature control of the Laser module. The wiring diagrams are shown in <tabref TEC_connector_pinout> below, where 1 (2) refer to stage 1 (2) temperature control, which stabilizes the Laser Housing (Laser Diode). Rth and Rth_RTN are the two ends of a 10 kΩ [[http://www.analogtechnologies.com/ath10kr8.html|Analog Technologies ATH10KR8 Thermistor]]. |
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<WRAP round center box 230px><tabcaption TEC_connector_pinout| TEC connector pin out> | <WRAP round center box 230px><tabcaption TEC_connector_pinout| TEC connector pin out> |
**Remote Interlock** | **Remote Interlock** |
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The remote interlock can be used to disable the laser diode output via an interlock control. When this input is shorted the laser diode output is ON. When the input is open the diode output is OFF. If not used, leave a shorting cap over this BNC. Once the interlock has been tripped, the laser will stay off until it is manually reset with the front panel switch. | The remote interlock can be used to disable the laser diode output via an interlock control. When this input is shorted the laser diode output is ON. When the input is open the diode output is OFF. If not used, leave a 50Ω BNC terminator over this BNC. Once the interlock has been tripped, the laser will stay off until it is manually reset with the front panel switch. |
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**Setpoint In** | **Setpoint In** |