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题名: ANOMALOUS PHOTOCURRENT TRANSIENTS IN NEMATIC LIQUID-CRYSTALS - THE NONLINEAR OPTICAL POCKEL EFFECT INDUCED BY THE FREEDERICKSZ TRANSITION
作者: SUGIMURA, A ;  ZHONGCAN, OY
刊名: PHYSICAL REVIEW A
出版日期: 1992
卷号: 45, 期号:4, 页码:2439-2448
关键词: PHOTOINDUCED CURRENT TRANSIENTS ;  DEFORMATION ;  FIELD
学科分类: Physics
通讯作者: SUGIMURA, A , OSAKA SANGYO UNIV,FAC ENGN,DEPT INFORMAT SYST ENGN,DAITO,OSAKA 574,JAPAN.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
英文摘要: The mechanism of the normally incident photoinduced current transients in homogeneous nematic samples in an applied dc voltage has been studied theoretically and experimentally. Explicit expressions for the photovoltaic emf are derived using the nonlinear optical Pockel's effect induced by the Freedericksz transition. The current transient is elucidated by the effect of dc field-induced ion drift to electrodes based on an equivalent circuit. The experimental results [briefly reported in Phys. Rev. Lett. 63, 555 (1989)] are completely explained by the present theory. According to the theoretical prediction, two methods to enhance the photoinduced current in liquid crystals, light exposure and dye doping, have been found and implemented.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12185
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
SUGIMURA, A,ZHONGCAN, OY. ANOMALOUS PHOTOCURRENT TRANSIENTS IN NEMATIC LIQUID-CRYSTALS - THE NONLINEAR OPTICAL POCKEL EFFECT INDUCED BY THE FREEDERICKSZ TRANSITION[J]. PHYSICAL REVIEW A,1992,45(4):2439-2448.
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