Electrically switchable, photoaddressable cholesteric liquid crystal reflectors

被引：57

作者：

White, Timothy J. ^{[1
]}

Bricker, Rebecca L. ^{[1
,2
]}

Natarajan, Lalgudi V. ^{[1
,3
]}

Tondiglia, Vincent P. ^{[1
,3
]}

Green, Lisa ^{[4
]}

Li, Quan ^{[4
]}

Bunning, Timothy J. ^{[1
]}

机构：

[1] USAF, Res Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 USA

[2] SOCHE Inc, Dayton, OH 45420 USA

[3] SAIC Inc, Dayton, OH 45431 USA

[4] Kent State Univ, Inst Liquid Crystal, Kent, OH 44242 USA

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 01期

关键词：

CEPHALOPOD COLORATION MODEL;

D O I：

10.1364/OE.18.000173

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the development of photoaddressable cholesteric liquid crystal (CLC) mixtures capable of large range color tuning as well as direct on-off electrical switching. The continuously photoaddressable CLC mixtures are based on a high HTP azo-containing chiral material mixed with an off-the-shelf nematic liquid crystal (QL9/E44). By polymer stabilizing the QL9/E44 mixture, it is demonstrated that the photoaddressable reflection of the notch can be switched on and off with an AC voltage. The novel combination of these effects has potential utility in lasing, dynamic notch filters, and spatial light modulators. (C) 2009 Optical Society of America

引用

页码：173 / 178

页数：6

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