Light-induced macroscopic chirality in azo-dye-doped polymers

被引：12

作者：

Birabassov, R ^{[1
]}

Galstian, TV ^{[1
]}

机构：

[1] Univ Laval, Dept Phys, Ctr Opt Photon & Lasers, Quebec City, PQ G1K 7P4, Canada

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2001年 / 18卷 / 10期

关键词：

D O I：

10.1364/JOSAB.18.001469

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Light-induced macroscopic chirality in a nonchiral azo-dye-doped polymer film is reported. A helicoidal standing wave was used to achieve a twisted molecular organization. Polarization properties of obtained helicoidal Bragg gratings are similar to cholesteric liquid crystals, where the response of the system is different for left and right circularly polarized light. A theoretical analysis with coupled-wave equations is done. (C) 2001 Optical Society of America.

引用

页码：1469 / 1473

页数：5

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