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Optical Engineering

Filtering Effects In Far-Field In-Line Holography
Author(s): Cafer Ozkul; Daniel Allano; Michel Trinite
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Paper Abstract

A nonblocked zero-frequency filtering technique is used to improve the in-line holographic recording of small objects at extended distances from the hologram. Since the filter is coated on the relay lens, the irradiance distributions in three planes (i.e., in projected images, diffraction patterns, and reconstructed images) are calculated. Influences of filter diameter, filter transmittance, and exposure level of holograms are considered in discussing fringe visibility, image forms, and image contrast.

Paper Details

Date Published: 1 October 1986
PDF: 7 pages
Opt. Eng. 25(10) 251142 doi: 10.1117/12.7973969
Published in: Optical Engineering Volume 25, Issue 10
Show Author Affiliations
Cafer Ozkul, Universite de Rouen (France)
Daniel Allano, Universite de Rouen (France)
Michel Trinite, Universite de Rouen (France)


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