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What is LASER drivers?

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

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  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:
    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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