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Proceedings Paper

Optical image recognition using photorefractive crystal plates
Author(s): Mei-Li Hsieh; Shy Chaung Lin; Ken Yuh Hsu; Tai Chiung Hsieh; S. P. Lin; T. S. Yeh; LongJang Hu; S. L. Tu; Horng Chang
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Paper Abstract

We demonstrate a real-time optical image recognition system using photorefractive thin plates. The effects of donor/acceptor concentration ratio in thin lithium niobate crystal plates on the photorefractive response time and the grating diffraction efficiency are presented.

Paper Details

Date Published: 22 September 1997
PDF: 11 pages
Proc. SPIE 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III, (22 September 1997); doi: 10.1117/12.287782
Show Author Affiliations
Mei-Li Hsieh, National Chiao-Tung Univ. (Taiwan)
Shy Chaung Lin, National Chiao-Tung Univ. (Taiwan)
Ken Yuh Hsu, National Chiao-Tung Univ. (Taiwan)
Tai Chiung Hsieh, National Chiao-Tung Univ. (Taiwan)
S. P. Lin, Chung Shan Institute of Science and Technology (Taiwan)
T. S. Yeh, Chung Shan Institute of Science and Technology (Taiwan)
LongJang Hu, Chung Shan Institute of Science and Technology (Taiwan)
S. L. Tu, Chung Shan Institute of Science and Technology (Taiwan)
Horng Chang, Chung Shan Institute of Science and Technology (Taiwan)


Published in SPIE Proceedings Vol. 3137:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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