Fundamental Principles of Digital Holography
Abstract
In order to have a better understanding of holography, this chapter outlines the main aspects relevant for the optical and numerical imaging principles of DH. Two main physical principles—interference and diffraction—of holography are first introduced, which correspond to the procedures of hologram acquisition and its reconstruction. Based on the physical principles, computational methods for generating digital holograms and numerical reconstruction have been developed.
Keywords
Physical principles
Interference
Diffraction
Fresnel-Kirchhoff diffraction
Rayleigh-Sommerfeld diffraction
Fresnel approximation
Fraunhofer approximation
Computer-generated holography
Phase-shifting digital ...
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