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I What happens if the angle < Brewster's angle?

  1. Nov 15, 2016 #1
    i have question for TM polarization.
    i dont understand why if the angle < brewster's angle,then the reflected light will experience an pi phase shift?
    can anybody explain why?

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  2. jcsd
  3. Nov 15, 2016 #2


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    Take a look at these equations, especially ##r_p## which is the (complex) reflection coefficient for TM polarization. In particular, you will be interested in the so-called internal reflection, that is when ##n_2 < n_1##.
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