d2:laser_controller
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d2:laser_controller [2019/08/29 17:20] – Michael Radunsky | d2:laser_controller [2019/10/23 21:56] – Michael Radunsky | ||
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- Turn on temperature loop. | - Turn on temperature loop. | ||
- Adjust set-point to approximately desired temperature. | - Adjust set-point to approximately desired temperature. | ||
- | - Turn up the gain. Keep increasing the gain until the temperature error (front panel BNC) just start to oscillate or ring with very little damping. If oscillation too large, reduce gain. Measure the period of oscillation. | + | - Turn up the gain. Keep increasing the gain until the temperature error (front panel BNC) just starts |
- Turn off the Laser Controller. Measure resistance between " | - Turn off the Laser Controller. Measure resistance between " | ||
- Take the measured oscillation period in step 6 and divide by two. Set the Integrator time constant to this value. For instance, if you measured a period of oscillation of 14 seconds, turn on the 4< | - Take the measured oscillation period in step 6 and divide by two. Set the Integrator time constant to this value. For instance, if you measured a period of oscillation of 14 seconds, turn on the 4< |
d2/laser_controller.txt · Last modified: 2024/03/27 15:33 by Thomas Bersano