Improvement of the Two-Beam Coupling Response Time in Photorefractive Double-Doping KNbO<suB>3</suB>

Chin. Phys. Lett.

1997, Vol. 14

Issue (2): 103-105 DOI:

Original Articles

Improvement of the Two-Beam Coupling Response Time in Photorefractive Double-Doping KNbO₃

ZHANG Zhi-guo^1,2;Y. Ding¹;H. J . Eichler¹;FU Pan-ming²;ZHOU Gang³;TANG Jun-xiong³;SHEN De-zhong⁴;MA Xiao-yan⁴;CHEN Jiong-yao⁴

¹Optical Institute, Technical University of Berlin, Str. des 17, Juni 135, 10623 Berlin, Germany ²Laboratory of Optical Physics, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080 ³Department of Radio-Electronics, Peking University, Beijing 100871 ⁴Research Institute of Synthetic Crystals, Beijing 100018

Cite this article:

ZHANG Zhi-guo, Y. Ding, H. J . Eichler et al 1997 Chin. Phys. Lett. 14 103-105

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Abstract We report experimental studies on the photorefractive response of KNbO₃ doubly doped with manganese and rubidium, iron and rubidium, respectively. Two- beam coupling response time in KNbO₃:Mn:Rb is 3 to 10 times shorter while the two-beam coupling gain coefficient remains almost the same when compare with that in KNbO₃ :Mn. On the other hand, under similar conditions, two-beam coupling response time in KNbO₃ :Fe:Rb is 6 times faster than that in KNbO₃ :Fe.

Keywords: 42.70.Nq 78.20.Jq

Published: 01 February 1997

PACS:	42.70.Nq	(Other nonlinear optical materials; photorefractive and semiconductor materials)
	78.20.Jq	(Electro-optical effects)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I2/0103

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	ZHANG Zhi-guo
	Y. Ding
	H. J . Eichler
	FU Pan-ming
	ZHOU Gang
	TANG Jun-xiong
	SHEN De-zhong
	MA Xiao-yan
	CHEN Jiong-yao

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