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Homework Help: Plasma waveguide

  1. Sep 1, 2009 #1
    1.i need urgent clarification in this regard .waveguides can be modelled as high pass filters.how ever plasma waveguide guides only those waves which are below plasma frequency. why is it so?
  2. jcsd
  3. Sep 1, 2009 #2
    I'm not familiar with plasma waveguides per se, but it might be related to the dispersion relation for waves in plasmas.
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