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Proceedings Paper

New Birefringence Theory And Uses Of The Photo-DKDP Spatial Light Modulator In Optical Data Processing
Author(s): D. Casasent; S. Natu; T. Luu; G. Lebreton; E. DeBazelaire
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Paper Abstract

The photo-DKDP spatial light modulator is found to be an excellent candidate real-time and reusable 2-D optically-addressed spatial light modulator. Extensive sensitometry, MTF, and other device data are reported with emphasis on a new field dependent photo-sensitivity and the importance of linear MTF data. A new spatial birefringent modulation transfer function is described and its use in obtaining more linear device response, bias level suppression, phase modulation and 1 msec erase time are noted. New real-time image processing, optical pattern recognition, and optical signal processing applications of this SLM are described with emphasis on the accuracy of the photo-DKDP based real-time experiments.

Paper Details

Date Published: 30 January 1980
PDF: 10 pages
Proc. SPIE 0202, Active Optical Devices, (30 January 1980); doi: 10.1117/12.958107
Show Author Affiliations
D. Casasent, Carnegie-Mellon University (United States)
S. Natu, Carnegie-Mellon University (United States)
T. Luu, Carnegie-Mellon University (United States)
G. Lebreton, University of Toulon (France)
E. DeBazelaire, University of Toulon (France)

Published in SPIE Proceedings Vol. 0202:
Active Optical Devices
John Tracy, Editor(s)

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