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Proceedings Paper

Photorefractive Incoherent-To-Coherent Optical Converter: Physical And Materials Considerations
Author(s): A, Marrakchi; A R. Tanguay; J Yu; D Psaltis
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Paper Abstract

Volume holographic storage in photorefractive Bi12Si020 (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. Preliminary results with binary and grey level transparencies are presented, and the conversion process is described in terms of a simple model which relates the diffracted intensity to the space-variant effective modulation ratio.

Paper Details

Date Published: 13 August 1984
PDF: 15 pages
Proc. SPIE 0465, Spatial Light Modulators and Applications I, (13 August 1984); doi: 10.1117/12.941413
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)


Published in SPIE Proceedings Vol. 0465:
Spatial Light Modulators and Applications I
Uzi Efron, Editor(s)

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