Nanosecond Electro-Optic Switching of a Liquid Crystal

被引：70

作者：

Borshch, Volodymyr ^{[1
]}

Shiyanovskii, Sergij V. ^{[1
]}

Lavrentovich, Oleg D. ^{[1
]}

机构：

[1] Kent State Univ, Inst Liquid Crystal, Chem Phys Interdisciplinary Program, Kent, OH 44242 USA

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 10期

关键词：

NEGATIVE DIELECTRIC ANISOTROPY; NEMATIC PHASE-TRANSITION; ELECTRIC-FIELD; FLUCTUATIONS; ORDER; ORIENTATION;

D O I：

10.1103/PhysRevLett.111.107802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electrically induced reorientation of nematic liquid crystal (NLC) molecules caused by dielectric anisotropy of the material is a fundamental phenomenon widely used in modern technologies. Its Achilles heel is a slow (millisecond) relaxation from the field-on to the field-off state. We present an electro-optic effect in an NLC with a response time of about 30 ns to both the field-on and field-off switching. This effect is caused by the electric field induced modification of the order parameters and does not require reorientation of the optic axis (director).

引用

页数：5

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