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ANOMALOUS PHOTOCURRENT TRANSIENTS IN NEMATIC LIQUID-CRYSTALS - THE NONLINEAR OPTICAL POCKEL EFFECT INDUCED BY THE FREEDERICKSZ TRANSITION
SUGIMURA, A; ZHONGCAN, OY; SUGIMURA, A , OSAKA SANGYO UNIV,FAC ENGN,DEPT INFORMAT SYST ENGN,DAITO,OSAKA 574,JAPAN.
1992
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号45期号:4页码:2439-2448
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.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Photoinduced Current Transients Deformation Field
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12185
专题理论物理所1978-2010年知识产出
通讯作者SUGIMURA, A , OSAKA SANGYO UNIV,FAC ENGN,DEPT INFORMAT SYST ENGN,DAITO,OSAKA 574,JAPAN.
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SUGIMURA, A,ZHONGCAN, OY,SUGIMURA, A , OSAKA SANGYO UNIV,FAC ENGN,DEPT INFORMAT SYST ENGN,DAITO,OSAKA 574,JAPAN.. 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.
APA SUGIMURA, A,ZHONGCAN, OY,&SUGIMURA, A , OSAKA SANGYO UNIV,FAC ENGN,DEPT INFORMAT SYST ENGN,DAITO,OSAKA 574,JAPAN..(1992).ANOMALOUS PHOTOCURRENT TRANSIENTS IN NEMATIC LIQUID-CRYSTALS - THE NONLINEAR OPTICAL POCKEL EFFECT INDUCED BY THE FREEDERICKSZ TRANSITION.PHYSICAL REVIEW A,45(4),2439-2448.
MLA SUGIMURA, A,et al."ANOMALOUS PHOTOCURRENT TRANSIENTS IN NEMATIC LIQUID-CRYSTALS - THE NONLINEAR OPTICAL POCKEL EFFECT INDUCED BY THE FREEDERICKSZ TRANSITION".PHYSICAL REVIEW A 45.4(1992):2439-2448.
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