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-guo1,2;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
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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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