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Optical Engineering

Physical Characterization Of The Photorefractive Incoherent-To-Coherent Optical Converter
Author(s): A. Marrakchi; A. R. Tanguay; J. Yu; D. Psaltis
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Paper Abstract

Volume holographic storage in photorefractive Bit 2S i020 (BSO) crystals is utilized to perform dynamic incoherent-to-coherent image conversion by means of selective spatial erasure of a uniform grating with white (or quasi-monochromatic) light. Physical characterization of device performance is de-scribed, with emphasis on resolution, sensitivity, and temporal response. The photorefractive incoherent-to-coherent optical conversion process is analyzed in terms of a simple model that relates the diffracted intensity to the space-variant effective modulation ratio.

Paper Details

Date Published: 1 February 1985
PDF: 8 pages
Opt. Eng. 24(1) doi: 10.1117/12.7973438
Published in: Optical Engineering Volume 24, Issue 1
Show Author Affiliations
A. Marrakchi, University of Southern California (United States)
A. R. Tanguay, University of Southern California (United States)
J. Yu, California Institute of Technology (United States)
D. Psaltis, California Institute of Technology (United States)


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