Simulation of Computer-Generated Hologram Using Fraunhofer Approximation

Abstract

In this present work, Computer generated holograms are developed using Matlab programming. Holograms have been produced by optical techniques for the past few decades. Computer generated holography treaties with the generation of holograms with the support of computers. Holograms are constructed by interfering between two waves one is object wave which is scattered of the wave field from the object and another is reference coherent wave. Computer generated holography is the method to represent the object and reference waves mathematically which exploits the wave theory of light. Fourier Transform operation is applied to give the far field amplitude calculation it is the primary requirement for calculating the interference pattern and generating the hologram. Moreover, here we generate the hologram by MATLAB program and alphabet “A” used as an object.

Keyword : MATLAB, Fourier Transformation, Reconstructed image, Fraunhofer approximation

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Feb 23, 2018

Published

Feb 23, 2018

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