Bragg degeneracy of diffraction in photorefractive transmission volume holograms

Ching-Cherng Sun; Ming-Sen Tsaur; Chun Wen Li; Bor Wang

doi:10.1117/12.326845

9 October 1998 Bragg degeneracy of diffraction in photorefractive transmission volume holograms

Ching-Cherng Sun, Ming-Sen Tsaur, Chun Wen Li, Bor Wang

Proceedings Volume 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV; (1998) https://doi.org/10.1117/12.326845
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Here we report our study on Bragg degeneracy in a transmission volume hologram. The Bragg degeneracy generates large crosstalk in an optical storage but nearly 1D shift- invariance in optical correlator. We simulate 2D distributions of the diffraction lights when the reading beam carries a plane wave or an image. The simulation results offer a clear picture of Bragg diffraction for optical storage and optical correlation in a bulk photorefractive crystal.

Citation Download Citation

Ching-Cherng Sun, Ming-Sen Tsaur, Chun Wen Li, and Bor Wang "Bragg degeneracy of diffraction in photorefractive transmission volume holograms", Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); https://doi.org/10.1117/12.326845

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