ULTRAFAST ELECTRO-OPTIC SWITCHING IN LIQUID CRYSTALS

被引：0

作者：

Li, Bing-Xiang ^{[1
,2
,3
]}

Borshch, Volodymyr ^{[2
,3
]}

Shiyanovskii, Sergij V. ^{[2
,3
]}

Liu, Shao-Bin ^{[1
]}

Lavrentovich, Oleg D. ^{[2
,3
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 210016, Jiangsu, Peoples R China

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

[3] Kent State Univ, Chem Phys Interdisciplinary Program, Kent, OH 44242 USA

来源：

2015 14TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2015年

关键词：

Nanosecond switching; Order parameter; Nematic liquid crystal; Electric field;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present the nanosecond electro-optic response of liquid crystals in the nematic and isotropic phases. The results demonstrate that in the isotropic phase ( close to the phase transition), both the dielectrically positive and negative liquid crystals have larger field induced birefringence than in the nematic phase. However, a nematic mixture with negative dielectric anisotropy exhibits two advantages, namely, the field induced birefringence is weakly dependent on temperature, and the characteristic time of this nanosecond response does not depend on the electric field. The observed nanosecond response can benefit the ultrafast electro-optic applications.

引用

页数：3

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