Reduction factor in photorefractive cubic crystals

Sergei F. Lyuksyutov; Preben Buchhave; Mikhail V. Vasnetsov

doi:10.1117/12.326848

9 October 1998 Reduction factor in photorefractive cubic crystals

Sergei F. Lyuksyutov, Preben Buchhave, Mikhail V. Vasnetsov

Proceedings Volume 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV; (1998) https://doi.org/10.1117/12.326848
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

We study the cross-talk between the competing holographic gratings in photorefractive cubic crystal Bi₁₂SiO₂₀. The cross-talk technique applies to measure a reduction factor which distinctly appears at low spatial frequency free electron distribution in diffusion regime under conditions so that direct observation of photorefractive gratings can not be performed. We suggest a hypothesis for the reduction factor of the carriers distribution with respect to light modulation is a long-distance photoelectron migration related to a high initial kinetic energy of the free carriers.

Citation Download Citation

Sergei F. Lyuksyutov, Preben Buchhave, and Mikhail V. Vasnetsov "Reduction factor in photorefractive cubic crystals", Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); https://doi.org/10.1117/12.326848

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