x X 100 x x x x α Fig. 3.1 Fig. 3.2 3. (30 points) The prism shown in Fig. 3.1 is a Wollaston prism (a 20°). (1) Sketch all pertinent rays when a natural light is incident vertically on the prism (n.-1.64, n.-1.49), show their polarization directions. (2) Calculate the diverged angle of two linearly polarized light beams transmitted into the air. (3) Repeat (1) and (2) with the prism shown in Fig. 3.2. Fig. 2