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Size of a waveguide for a given wavelength

  1. Jul 19, 2012 #1


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    Let λ be the wavelength of an EM wave in empty space.
    Let a x 0.5*a be the dimensions of the cross-section of the waveguide.
    Can I use a = 0.35*λ ?
    It should be possible, it corresponds to θ = π/4, where θ is the effective
    angle between the long axis of the waveguide and the direction of propagation
    of an approximately plane wave.
  2. jcsd
  3. Jul 19, 2012 #2


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