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).
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页数：5
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