Optical image recognition using photorefractive crystal plates

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

doi:10.1117/12.287782

22 September 1997 Optical image recognition using photorefractive crystal plates

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

Author Affiliations +

Proceedings Volume 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III; (1997) https://doi.org/10.1117/12.287782
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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.

Citation Download Citation

Mei-Li Hsieh, Shy Chaung Lin, Ken Yuh Hsu, Tai Chiung Hsieh, S. P. Lin, T. S. Yeh, LongJang Hu, S. L. Tu, and Horng Chang "Optical image recognition using photorefractive crystal plates", Proc. SPIE 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III, (22 September 1997); https://doi.org/10.1117/12.287782

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