User Tools

Site Tools


d2:laser_servo

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
d2:laser_servo [2019/07/15 15:50]
Michael Radunsky [Laser Lock Troubleshooting]
d2:laser_servo [2019/07/15 16:00] (current)
Michael Radunsky [Laser Lock Troubleshooting]
Line 375: Line 375:
 If you are having problems locking the laser, it is a good idea to not use the AUXILIARY SERVO OUTPUT as this complicates the system. Once you get the locking to work properly, you can reconnect this cable. If you are having problems locking the laser, it is a good idea to not use the AUXILIARY SERVO OUTPUT as this complicates the system. Once you get the locking to work properly, you can reconnect this cable.
  
-<imgref factory_settings>​ shows the nominal corner settings for locking the Vescent D2-100 to atomic spectroscopy. ​ If all else fails, return to these setting, turn down the gain and try again.+<imgref factory_settings>​ shows and <tabref factory_setting>​ lists the nominal corner settings for locking the Vescent D2-100 ​(or a Photodigm TOSA) to atomic spectroscopy. ​ If all else fails, return to these setting, turn down the gain and try again.
  
 <WRAP center round box 400px><​imgcaption factory_settings|Factory settings for locking a D2-100> <WRAP center round box 400px><​imgcaption factory_settings|Factory settings for locking a D2-100>
 {{ {{ d2:​d2-125:​factory_settings_red.png?​direct&​400 |}} |}}</​imgcaption></​WRAP>​ {{ {{ d2:​d2-125:​factory_settings_red.png?​direct&​400 |}} |}}</​imgcaption></​WRAP>​
 +
 +<WRAP center round box 60%><​tabcaption factory_setting |D2-125 locking D2-100 or TOSA>
 +| **Corner** ​                                                      | **Value** ​      | **Units** ​ |
 +| First Integrator (high freq.) ​                                   | low freq.       ​| ​      |
 +| First Integrator (low freq.) ​                                    | 10              | Hz         |
 +| Second Integrator (high freq.) ​                                  | low freq.       ​| ​      |
 +| Second Integrator (low freq.) ​                                   | 500             | Hz         |
 +| Differential (high freq.) ​                                       | OFF       ​| ​      |
 +| Differential (low freq.) ​                                        | 100              | kHz         |
 +
 +</​tabcaption></​WRAP>​
  
  ​=====D2-125 Stand-alone Test=====  ​=====D2-125 Stand-alone Test=====
d2/laser_servo.txt · Last modified: 2019/07/15 16:00 by Michael Radunsky