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Calculating the coherence length of a laser

  1. Jun 13, 2013 #1
    What is the best way to calculate the coherence length of a laser?
     
  2. jcsd
  3. Jun 14, 2013 #2

    Claude Bile

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    Science Advisor

    Depends on what information you have to start with.

    One way is to take the Fourier transform of the laser spectrum to gain the coherence time, then multiply by c to get the coherence length.

    Claude.
     
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