et t - UPMC
et t - UPMC
et t - UPMC
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Réflexion <strong>et</strong> Réfraction (16)Coefficients de réflexion <strong>et</strong> de transmission (n 1n 2<strong>et</strong> µ 1= µ 2) :Les équations (1) <strong>et</strong> (2) deviennent :On en déduit :r "= # r# i<strong>et</strong> t "= # t# i1+ r "= t "<strong>et</strong> n 1cos# i1$ r "!( ) = n 2t "cos# t!r "= n 1 cos# i $ n 2 cos# tn 1cos# i+ n 2cos# tt "=2n 1cos# in 1cos# i+ n 2cos# t