Orientational optical nonlinearity induced by comb-shaped polymers in a nematic liquid crystal

被引：0
|
作者：
I. A. Budagovsky
A. S. Zolot’ko
V. N. Ochkin
M. P. Smayev
A. Yu. Bobrovsky
V. P. Shibaev
M. I. Barnik
机构：
[1] Russian Academy of Sciences,Lebedev Physical Institute
[2] Moscow State University,Shubnikov Institute of Crystallography
[3] Russian Academy of Sciences,undefined
来源：
Journal of Experimental and Theoretical Physics | 2008年 / 106卷
关键词：
61.30.-v; 42.70.Df; 82.35.Ej; 42.65.Jx;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of optical orientation in nematic liquid crystals containing small additions of high-molecular compounds, i.e., comb-shaped polymers with light-absorbing azobenzene side fragments, was studied. The effects of light-induced reorientation of the director of nematic liquid crystals caused by light absorption of polymers and a low-molecular compound with a structure similar to side fragments of the polymers were compared in detail. An explanation was proposed for large values of the orientational nonlinearity induced by polymers.
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页码：172 / 181
页数：9
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