THORLABS OTKB/M User Manual page 9

Modular Optical Tweezers
Figure 2
Rev N, August 17, 2018
Laser controller screen at start-up and when entering 'Menu'.
Laser Driver Setup: set 600 mA as Laser Current Limit,
enable Noise Reduction Filter
Laser Protection Menu: Use the default settings
Photodiode Input Menu: The Laser is being used in constant
current mode. Input Current Range = 20 mA, BIAS voltage
level = 0.1 V, Photodiode response = 1000 mA/W
TEC Driver Menu: The TEC Current limit should be set to
1.5 A.
PID Control Loop Menu: Adjust Integral Gain (~0.1 As/K
increments) until the Temperature Deviation is minimized,
ideally it should show 0.00 °C
Thermistor Calibration Menu: Use default settings for the
Thermistor Calibration.
Figure 3
Laser Controller Screens
Chapter 5: System Setup
Page 7