Light driven motion of the nematic director in azo-dye doped liquid crystals

被引：16
|
作者：
Petrossian, A
Residori, S
机构：
[1] UNSA, Inst Non Lineaire Nice, CNRS, UMR 6618, F-065600 Valbonne, France
[2] Yerevan State Univ, Dept Phys, Yerevan 375049, Armenia
来源：
OPTICS COMMUNICATIONS | 2003年 / 228卷 / 1-3期
关键词：
orientational order of liquid crystals; surface phenomena; polymers and organics;
D O I：
10.1016/j.optcom.2003.09.021
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that under laser and white light action, reorientation of the nematic director for azo-dye doped liquid crystals follows a three-dimensional trajectory, composed by in and out-of-plane motion with respect to the incidence plane of the light. We relate the two components to the surface and bulk effects, respectively, and we show that the bulk contribution is mainly dominated by the photoisomerization of the azo-dye molecules. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：145 / 153
页数：9
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