Wave Optics Chapter Ten WAVE OPTICS
shape of the wavefront for a plane wave propagating through a medium (Fig. 10.3). FIGURE 10.3 Huygens geometrical construction for a plane wave propagating to the right. F 1 F 2 is the plane wavefront at t = 0 and G 1 G 2 is the wavefront at a later time τ. The lines A 1 A 2, B 1 B 2 … etc., are normal to both F 1 F 2 and G 1 G 2 and ...
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