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Proceedings Paper

Optically fixed photorefractive correlator
Author(s): Youwen Liu; Liren Liu; De'an Liu; Changhe Zhou; Jing Xu; Liangying Xu
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Paper Abstract

An optically fixed photorefractive correlator is presented, where two-center nonvolatile holographic recording proposed by Buse et al is employed to write and fix the matched filer in doubly doped LiNbO3 crystals. This correlator shows good correlation characteristics and insensitivity to recording beam during readout. It can be used in those requiring stability not requiring modified for a long time, and refreshed optically when new information need be registered.

Paper Details

Date Published: 23 January 2002
PDF: 5 pages
Proc. SPIE 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage, (23 January 2002); doi: 10.1117/12.454024
Show Author Affiliations
Youwen Liu, Shanghai Institute of Optics and Fine Mechanics (Japan)
Liren Liu, Shanghai Institute of Optics and Fine Mechanics (China)
De'an Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Changhe Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Jing Xu, Shanghai Institute of Optics and Fine Mechanics (China)
Liangying Xu, Shanghai Institute of Ceramics (China)


Published in SPIE Proceedings Vol. 4459:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage
Shizhuo Yin; Francis T. S. Yu; Hans J. Coufal; Hans J. Coufal, Editor(s)

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