Shi, Y. and Psaltis, D. and Marrakchi, A. and Tanguay, A. R., Jr. (1983) Photorefractive incoherent-to-coherent optical converter. Applied Optics, 22 (23). pp. 3665-3667. ISSN 0003-6935. doi:10.1364/AO.22.003665. https://resolver.caltech.edu/CaltechAUTHORS:20120713-092403805
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Abstract
Photorefractive materials have been extensively used in recent years as real-time recording media for optical holography.(^1,2) One prospective application of real-time holography is in the area of optical information processing; for example, the correlation between two mutually incoherent images has recently been demonstrated in real time in a four-wave mixing geometry. (^3) Often, however, the information to be processed exists only in incoherent form. High performance spatial light modulators(^4) are thus necessary in many optical information processing systems to convert incoherent images to coherent replicas for subsequent processing. We report in this Communication the successful demonstration of real-time incoherent-to-coherent images transduction through the use of holographic recording in photorefractive crystals. Several possible configurations and experimental results are presented.
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Additional Information: | © 1982 Optical Society of America. Received 17 September 1983. The authors would like to thank F. Lum for his technical assistance and Y. Owechko, J. Yu, and E. Paek for helpful discussions. This research was supported in part at USC by RADC under contract F19628-83-C-0031, the Defense Advanced Research Projects Agency, the Joint Services Electronics Program, and the Army Research Office and at Caltech by the Air Force Office of Scientific Research and the Army Research Office. | ||||||||||||
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Issue or Number: | 23 | ||||||||||||
DOI: | 10.1364/AO.22.003665 | ||||||||||||
Record Number: | CaltechAUTHORS:20120713-092403805 | ||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120713-092403805 | ||||||||||||
Official Citation: | Y. Shi, D. Psaltis, A. Marrakchi, and A. R. Tanguay, Jr., "Photorefractive incoherent-to-coherent optical converter," Appl. Opt. 22, 3665-3667 (1983) http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-23-3665 | ||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
ID Code: | 32412 | ||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||
Deposited By: | INVALID USER | ||||||||||||
Deposited On: | 13 Jul 2012 18:28 | ||||||||||||
Last Modified: | 09 Nov 2021 21:27 |
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