Real-time spatial frequency filtering for gratings formed via two-wave mixing in photorefractive crystals

Shoang C. Donn; K. C. Huang; Y. C. Huang; Y. L. Juh; Ching-Cherng Sun

doi:10.1117/12.279174

22 September 1997 Real-time spatial frequency filtering for gratings formed via two-wave mixing in photorefractive crystals

Shoang C. Donn, K. C. Huang, Y. C. Huang, Y. L. Juh, Ching-Cherng Sun

Author Affiliations +

Proceedings Volume 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III; (1997) https://doi.org/10.1117/12.279174
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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.

Citation Download Citation

Shoang C. Donn, K. C. Huang, Y. C. Huang, Y. L. Juh, and Ching-Cherng Sun "Real-time spatial frequency filtering for gratings formed via two-wave mixing in photorefractive crystals", Proc. SPIE 3137, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications III, (22 September 1997); https://doi.org/10.1117/12.279174

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