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Unformatted text preview: b) ; From to Following the same procedure as a) Problem 4.16 a) The phase of a wave changes linearly as it propagates For a spherical wave converging spherical wave is given by Assuming is much greater than or , can be written using a binomial expansion and b) Fresnel diffraction is here most conveniently calculated by evaluating the Fresnel integral. After some algebra, : This is exactly the Fraunhofer Diffraction centered at ,...
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This note was uploaded on 06/04/2010 for the course EE 5621 taught by Professor Staff during the Spring '08 term at Minnesota.
 Spring '08
 Staff

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