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Spread in Wavelength

  1. May 12, 2005 #1
    Hello,
    here is a poser for you how do you calculate the spread in wavelngth when a monochromatic light source of known wavlength is chopped by a shutter into a known pulse duration?
     
  2. jcsd
  3. May 12, 2005 #2

    ZapperZ

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    Take the signal in the time domain and do a fourier transform into the frequency domain. You'll obtain all the harmonics of that signal.

    Zz.
     
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