Photochemical modulation of alignment of liquid crystals and photonic applications

被引：10
|
作者：
Tsutsumi, O [1 ]
Ikeda, T [1 ]
机构：
[1] Tokyo Inst Technol, Chem Resources Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE | 2002年 / 6卷 / 06期
关键词：
D O I：
10.1016/S1359-0286(03)00013-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The recent highlights in the photoinduced modulation of the liquid-crystalline (LC) alignment and their applications to photonics are reviewed. The molecular alignment of LCs can be controlled by either the photochemical process or the photophysical process and we can change the birefringence as well as refractive index of the material by the modulation of the LC alignment. The photoresponsive LCs show very quick response to stimulus light: the response time is similar to200 ns. Furthermore, the extremely large refractive index modulation (Deltan = similar to10(-1)) can be also induced. The photoresponsive LCs, therefore, are potential materials for holographic recording and other photonic device. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：563 / 568
页数：6
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