Domain fixing process in Cu- and Mn-doped KNSBN crystals

Xiaonong Shen; JianHua Zhao; Zhenxiang Cheng; Shujun Zhang; Huanchu Chen

doi:10.1117/12.363936

20 September 1999 Domain fixing process in Cu- and Mn-doped KNSBN crystals

Xiaonong Shen, JianHua Zhao, Zhenxiang Cheng, Shujun Zhang, Huanchu Chen

Proceedings Volume 3801, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications V; (1999) https://doi.org/10.1117/12.363936
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

In this paper, we reported the electrical fixing results of photorefractive index gratings in Cu- and Mn-doped KNSBN crystals at room temperature. Due to the higher Curie temperature of KNSBN, the fixed grating may have a longer lifetime than SBN crystals, and the fixing results are different from the observation in SBN crystals. The relation between the applied field and the revealed grating is studied by analyzing the domain fixing process. We also reported the comparison of the fixing results in the single domain crystals and the multi-domain crystals. In the multi-domain crystals, the diffraction efficiency of the revealed grating is as about three times as that of the recorded grating. The probable reason is also discussed.

Citation Download Citation

Xiaonong Shen, JianHua Zhao, Zhenxiang Cheng, Shujun Zhang, and Huanchu Chen "Domain fixing process in Cu- and Mn-doped KNSBN crystals", Proc. SPIE 3801, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications V, (20 September 1999); https://doi.org/10.1117/12.363936

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