Continuously adjustable period optical grating based on flexoelectric effect of a bent-core nematic liquid crystal in planar cells

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期刊论文

作者：

Yuan, Rui;Ye, Wen-Jiang*;Xing, Hong-Yu;Li, Zhen-Jie;Sun, Ting-Ting;...

通讯作者：

Ye, Wen-Jiang

作者机构：

[Sun, Yu-Bao; Xing, Hong-Yu; Sun, Ting-Ting; Zhu, Ji-Liang; Li, Zhen-Jie; Yuan, Rui; Ye, Wen-Jiang] Hebei Univ Technol, Sch Sci, Tianjin 300401, Peoples R China.

[Xiang, Ying] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Guangdong, Peoples R China.

[Zhang, Zhi-Yong] Wuhan Polytech Univ, Dept Chem & Environm Engn, Wuhan 430023, Hubei, Peoples R China.

[Cai, Ming-Lei] Hebei Jiya Elect Co Ltd, Shijiazhuang 050071, Hebei, Peoples R China.

[Cai, Ming-Lei] Hebei Prov Res Ctr LCD Engn Technol, Shijiazhuang 050071, Hebei, Peoples R China.

通讯机构：

[Ye, Wen-Jiang] H

Hebei Univ Technol, Sch Sci, Tianjin 300401, Peoples R China.

语种：

英文

关键词：

Cells;Cytology;Diffraction gratings;Liquid crystals;Applied voltages;Bent cores;Flexoelectric effects;Light diffraction;Linear relationships;Planar cells;Polarizing microscopy;Pre-tilt angle;Nematic liquid crystals;chemical model;chemistry;computer simulation;electromagnetism;liquid crystal;materials testing;molecular model;optics;procedures;refractometry;Young modulus;Computer Simulation;Elastic Modulus;Electromagnetic Fields;Liquid Crystals;Materials Testing;Models, Chemical;Models, Molecular;Optics and Photonics;Refractometry

期刊：

Optics Express

ISSN：

1094-4087

年：

2018

卷：

期：

页码：

4288-4299

DOI：

10.1364/OE.26.004288

基金类别：

National Natural Science Foundation of China (NSFC) (11374087, 11504080); Natural Science Foundation of Hebei Province of China (A2014202123, A2017202004); Research Project of Hebei Education Department (QN2014130); Key Subject Construction Project of Hebei Province University.

机构署名：

本校为其他机构

院系归属：

化学与环境工程学院

摘要：

The structures of flexodomains, which are similar to optical gratings and can be controlled by the amplitude of applied voltage and temperature, were verified through polarizing microscopy and light diffraction techniques. The properties of the optical grating induced by a bent-core nematic liquid crystal in planar cells with varied cell gaps and pretilt angles were studied. The period of optical grating decreases with the increase in the amplitude of the applied voltage and pretilt angle. In addition, the period increases with the increase in ...

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Continuously adjustable period optical grating based on flexoelectric effect of a bent-core nematic liquid crystal in planar cells

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