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What is LASER drivers?

Discussion in 'General Electronics' started by svetoslav belchev, Jun 9, 2004.

  1. Hi.I see on some sites for LASERs drivers for LASER diodes.I found
    that diodes must be power supplyed with these drivers.But i don't know
    what is purpose of these drivers.Also all diodes i have seen are
    couple of LASER diode and photodiode, but why?I have no idea, but I
    know one site:
    http://www.roithner-laser.com/index.htm
    If anybody know answers of these two my questions, please to answer.
    Many thanks!
     
  2. no_one

    no_one Guest

    LASER likes constant current. Can be temperature dependent. Photodiode
    allows one to control drive current vs. light output.
     
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