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Photodiodes and LEDs

  1. May 27, 2010 #1
    Would a gallium arsenide photodiode be sensitive to light from a gallium phopsphide LED?
  2. jcsd
  3. May 27, 2010 #2


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    Probably :
    You can make GaP LEDs in green->red
    GaAs photodiodes certainly work in the visible (used as solar cells) don't know their response curve and it's probably sensitive to the thickness and structure of the diode.
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