Laser-Induced Nonlinear Orientational Effects in Azobenzene Nematic Liquid Crystals

被引：0

作者：

Gevorgyan, G. S. ^{[1
]}

Alaverdyan, R. B. ^{[1
]}

Hakobyan, R. S. ^{[1
]}

机构：

[1] Yerevan State Univ, Yerevan 375049, Armenia

来源：

JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2011年 / 46卷 / 04期

关键词：

nematic liquid crystal; laser filed; nonlinear orientational effect; POLARIZATION;

D O I：

10.3103/S1068337211040037

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nonlinear optical orientational phenomena induced by laser in BAAB 1005-type nematic liquid crystals are studied experimentally. It is shown that these phenomena in the field of a single-mode laser field are displayed stronger, if the liquid crystal material is pre-irradiated with certain-frequency visible radiation. These phenomena are caused by the trans-cis transition in molecules of azobenzene liquid crystal BAAB 1005 at absorption of certain frequency radiation. Qualitative explanation of the experimental results is based on the simultaneous action of several mechanisms including thermomechanical.

引用

页码：156 / 159

页数：4

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