Update CTL200 laser controller firmware
Remove the laser from the board and close all open serial connections.
Turn off the controller and set the number 2 configuration switch to ON.
Turn on the controller.
Run the utility
cm3wsd.exe(available for download here).
Select the program (
hexfile) to upload.
Select the Serial Port, the Baud Rate ('115200') and Flash Action ('Program').
The program will install on the microcontroller.
Once finished, turn off the controller and set the number 2 configuration switch to OFF.
Digital butterfly laser diode controller
Koheron CTL200 is a digital butterfly low-noise laser controller. It drives up to 600 mA laser current with a current noise density of only 670 pA / √Hz. The CTL200 fits in a 75 mm x 75 mm square, uses a single 5.9 V supply, and can operate between 0 and 50°C.