Optimization of fixed diffraction efficiency for LiNbO3:Cr:Cu crystal by optimal switching time

Yuanjun Guo; De'an Liu; Zhifang Chai; Rong Zhu; Liren Liu

doi:10.1117/12.678290

24 August 2006 Optimization of fixed diffraction efficiency for LiNbO₃:Cr:Cu crystal by optimal switching time

Yuanjun Guo, De'an Liu, Zhifang Chai, Rong Zhu, Liren Liu

Proceedings Volume 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII; 631414 (2006) https://doi.org/10.1117/12.678290
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

An oscillatory characteristic of diffraction is observed during holographic recording period in an oxidized LiNbO₃:Cr:Cu crystal with 514 nm green light as the recording light and 390 nm UV light as the sensitizing light. The optimal switching time from the recording step to the fixing step for high diffraction of a fixed hologram is studied. It is shown that switching after the first diffraction maximum leads to higher fixed diffraction efficiency. The theoretical explanation is presented according to time-space dynamic theory of the nonvolatile holographic recording in doubly-doped LiNbO₃ crystals.

Citation Download Citation

Yuanjun Guo, De'an Liu, Zhifang Chai, Rong Zhu, and Liren Liu "Optimization of fixed diffraction efficiency for LiNbO₃:Cr:Cu crystal by optimal switching time", Proc. SPIE 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII, 631414 (24 August 2006); https://doi.org/10.1117/12.678290

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