Question: A parallel-polarized plane wave is incident from air at an angle thetai = 30_ onto a pair of dielectric layers as shown in the figure.

A parallel-polarized plane wave is incident from air at an angle thetai = 30_ onto a pair of dielectric layers as shown in the figure.
(a) Determine the angles of transmission theta2, theta3, and theta4.
(b) Determine the lateral distance d.

Air H: = 1 & = 6.25 5 cm H; = 1 E; = 2.25 5 cm Air ie,

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