Hello people,

     I'm glad to see this discussion about laser diodes/modules as I'm 
working in a little project that will use it (if it ever takes off).

     My question: What exactly the circuit on the PCB of a laser diode 
module does? It seens to be a simple current regulator.

     There are some *cheap* way of measuring 635nm and 532nm laser beam 
power?

     Best regards,

     Brusque
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Edson Brusque                     C.I.Tronics Lighting Designers Ltda
Research and Development                  Joinville  -  SC  -  Brazil
http://www.ryan.com.br/netiqueta.htm             www.citronics.com.br
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