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Proceedings Paper

Phase-change disk optical correlator
Author(s): Michele Wilson McColgan; Keith B. Farr; Richard L. Hartman
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Paper Abstract

This paper will discuss the application of optical disk technology to optical processing. The limiting factor in optical image processing is the spatial light modulator. Spatial light modulators are currently limited by pixel size and TV frame rates. Optical disks provide pixel sizes on the order of a micron, fast access times and 650 MB storage space resulting in approximately 60,500 256 by 256 pixel images. CD, CD-Recordable, Magneto-Optic and Phase Change media have been studied. CD and CD-Recordable media provide high contrast, while phase-change media provides moderate contrast and rewritability. This paper will focus on an optical system that uses a phase-change disk as the filter medium in an optical correlator. Specially developed software to write two dimensional images to the phase-change disks will be addressed.

Paper Details

Date Published: 23 March 1998
PDF: 7 pages
Proc. SPIE 3386, Optical Pattern Recognition IX, (23 March 1998); doi: 10.1117/12.304779
Show Author Affiliations
Michele Wilson McColgan, Advanced Optical Systems, Inc. (United States)
Keith B. Farr, Advanced Optical Systems, Inc. (United States)
Richard L. Hartman, Advanced Optical Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 3386:
Optical Pattern Recognition IX
David P. Casasent; Tien-Hsin Chao, Editor(s)

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