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Proceedings Paper

Photorefractive properties of KNSBN crystal with Li replacing at A-sites
Author(s): Xiaonong Shen; JianHua Zhao; Shujun Zhang; Huanchu Chen
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Paper 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.

Paper Details

Date Published: 28 June 1999
PDF: 7 pages
Proc. SPIE 3793, Operational Characteristics and Crystal Growth of Nonlinear Optical Materials, (28 June 1999); doi: 10.1117/12.351419
Show Author Affiliations
Xiaonong Shen, Shandong Univ. (United States)
JianHua Zhao, Shandong Univ. (United States)
Shujun Zhang, Shandong Univ. (China)
Huanchu Chen, Shandong Univ. (China)


Published in SPIE Proceedings Vol. 3793:
Operational Characteristics and Crystal Growth of Nonlinear Optical Materials
Ravindra B. Lal; Donald O. Frazier, Editor(s)

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