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  1. D

    TEC Driver Problem

    Yes, I forgot to mention the LD is on when this occurs. The main problem is that once the TEC current reaches its limit, the TEC driver automatically turns off, leaving the LD with no cooling. Thanks for your comment.
  2. D

    TEC Driver Problem

    Hello. I am trying to stabilise the current sent to a TEC for a 1480 nm laser diode pump made by Fitel. The TEC comes packaged with the diode and thermistor in a 14 pin butterfly form. I am using a Newport 8325D TEC module driver. My problem is that the current sent to the TEC, climbs by...


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