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8.20 A parallel-polarized plane wave is incident from air at
an angle 0₁ = 30° onto a pair of dielectric layers as shown in
Fig. P8.20.
(a) Determine the angles of transmission 02, 03, and 04.
(b) Determine the lateral distance d.
T
5 cm
5 cm
0₁
02
i 103
-d.
104
Air
Mr = 1
&r= 6.25
Mr = 1
&T=2.25
Figure P8.20 Problem P8.20.
Air

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