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Proceedings Paper

Real-time spatial frequency filtering for gratings formed via two-wave mixing in photorefractive crystals
Author(s): Shoang C. Donn; K. C. Huang; Y. C. Huang; Y. L. Juh; Ching-Cherng Sun
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Paper Abstract

In almost all cases, vibration will nullify photorefractive induced effects and thus provide no benefit for us. This paper shows that we can make use of vibration to eliminate the effect of one grating and retain the effect of the remaining gratings in a multiple grating environment, such as those created via multiple two-wave mixing. If the two grating periods are different, this type of elimination is equivalent to spatial frequency filtering. We report here the first results on real-time spatial frequency filtering for the gratings formed via two-wave mixing within photorefractive crystals.

Paper Details

Date Published: 22 September 1997
PDF: 8 pages
Proc. SPIE 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III, (22 September 1997); doi: 10.1117/12.279174
Show Author Affiliations
Shoang C. Donn, Chung Yuan Univ. (Taiwan)
K. C. Huang, Chung Yuan Univ. (Taiwan)
Y. C. Huang, Chung Yuan Univ. (Taiwan)
Y. L. Juh, Chung Yuan Univ. (Taiwan)
Ching-Cherng Sun, National Central Univ. (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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