Photorefractive properties of KNSBN crystal with Li replacing at A-sites

Xiaonong Shen; JianHua Zhao; Shujun Zhang; Huanchu Chen

doi:10.1117/12.351419

28 June 1999 Photorefractive properties of KNSBN crystal with Li replacing at A-sites

Xiaonong Shen, JianHua Zhao, Shujun Zhang, Huanchu Chen

Proceedings Volume 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials; (1999) https://doi.org/10.1117/12.351419
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

In this paper, a new kind of photorefractive Cu:KNSBN crystal with Li-replacement at A-sites ((Cu,Li):KNSBN) was reported. We studied the photorefractive properties of this kind of crystal by using the conventional two-wave mixing method. It revealed that the Li-replacement can improve the photorefractive response rate of the crystal which is very important in real time information processing. An response time of 90 ms was obtained at a total incident intensity of 3.92 W/cm². The absorption spectrum and other photorefractive properties were also measured and discussed. Experiment showed that cation replacement such as Li- replacing at A-sites provides a new way to improve the photorefractive properties of KNSBN crystals.

Citation Download Citation

Xiaonong Shen, JianHua Zhao, Shujun Zhang, and Huanchu Chen "Photorefractive properties of KNSBN crystal with Li replacing at A-sites", Proc. SPIE 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials, (28 June 1999); https://doi.org/10.1117/12.351419

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