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Proceedings Paper

Optical phase conjugation in KNSBN, Pr-doped KNSBN, and Cu-doped SBN
Author(s): Yang Yong Yuan; Haiying Xu; Youlong Yu; Kebin Xu; Yuhuan Xu; De-Rui Zhu; Huanchu Chen; Qinglun Zhang
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Paper Abstract

Theoretical and experimental results are presented for degenerate four-wave mixing In photorefractive KNSBN crystals. The angular dependence of transient- state and steady -state phase- conjugate reflectivities R in undoped and Pr -doped KNSBN have been measured respectively. Applied field dependence of phase - conjugate reflectivity in undoped KNSBN shows that transient-state R exceeds 260 and steady - state R can reach 122% at applied field E0 =5 kV/cm. By comparison ,Pr as a new impurity to provide a variety trapping centers in KNSBN crystals makes the response time about 3 times less. The probe intensity dependence of the response time and the steady phase- conjugate reflectivity in degenerate four -wave mixing within Cu-doped SBN is given.

Paper Details

Date Published: 1 May 1990
PDF: 6 pages
Proc. SPIE 1220, Nonlinear Optics, (1 May 1990); doi: 10.1117/12.18313
Show Author Affiliations
Yang Yong Yuan, Harbin Institute of Technology (China)
Haiying Xu, Harbin Institute of Technology (China)
Youlong Yu, Harbin Institute of Technology (China)
Kebin Xu, Harbin Institute of Technology (China)
Yuhuan Xu, Zhongshan Univ. (China) (China)
De-Rui Zhu, Zhongshan Univ. (China)
Huanchu Chen, Shandong Univ. (China)
Qinglun Zhang, Shandong Univ. (China)


Published in SPIE Proceedings Vol. 1220:
Nonlinear Optics
Robert A. Fisher; John F. Reintjes, Editor(s)

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