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Diffraction grating ?

  1. Aug 21, 2008 #1
    1. The problem statement, all variables and given/known data

    I have a diffraction grating , how will i know which side is ruled & which is not ?

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Aug 21, 2008 #2
    Which of the 4 types: Blazed, Unblazed, Scribed or Unscribed?

    If blazed or scribed:
    Just look at each surface in a well lit environment...The shiniest "rainbow" like reflection will be the ruled side.

    If unblazed or unscribed:
    It doesn't matter, either way the light will be incident on the gratings and transmit the diffraction pattern.

    Hope that was clear :)
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