Photorefractive Properties of Paraelectric Copper Doped Potassium Tantalate Niobate
GUAN Qingcai, WANG Jiyang, WANG Min, LIU Yaogang, WEI Jingqian, ZHANG Zhiguo* , YANG Changxi* , YE Peixian*
Institute of Crystal Materials, Shandong University, Jinan 250100
* Institute of Physics, Academia sinica, Beijing 100080
Photorefractive Properties of Paraelectric Copper Doped Potassium Tantalate Niobate
GUAN Qingcai;WANG Jiyang;WANG Min;LIU Yaogang;WEI Jingqian;ZHANG Zhiguo* ;YANG Changxi* ;YE Peixian*
Institute of Crystal Materials, Shandong University, Jinan 250100
* Institute of Physics, Academia sinica, Beijing 100080
关键词 ：
42.70.Gi ,
78.20.Jq
Abstract ： The photorefractive properties of Cu doped KTa1-x Nbx O3 have been studied by using two-wave mixing method. The diffraction efficiency reaches as high as 52% under an electric field. The dependences of diffraction efficiency on interference angles and applied fields have been studied. The maximum light induced index change is found to be 2.33 x10-5 and the photorefraction sensitivity calculated is 5 x 10-6 cm2 /J. Experimental results demonstrate that electrons are the dominant charge carriers.
Key words ：
42.70.Gi
78.20.Jq
出版日期: 1991-10-01
引用本文:
GUAN Qingcai;WANG Jiyang;WANG Min;LIU Yaogang;WEI Jingqian;ZHANG Zhiguo*;YANG Changxi*;YE Peixian*. Photorefractive Properties of Paraelectric Copper Doped Potassium Tantalate Niobate[J]. 中国物理快报, 1991, 8(10): 515-517.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1991/V8/I10/515
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