A polarisation-independent blue-phase liquid crystal lens array using gradient electrodes

被引：24
作者：
Chu, Fan [1 ]
Dou, Hu [1 ]
Li, Gui-Peng [1 ]
Song, Ya-Li [1 ]
Li, Lei [1 ]
Wang, Qiong-Hua [1 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu, Sichuan, Peoples R China
来源：
LIQUID CRYSTALS | 2018年 / 45卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Blue-phase; Kerr effect; liquid crystal; lens; polarisation independence; OPTICAL-PROPERTIES; FOCAL LENGTH; MICROLENS; VOLTAGE; DISPLAY; TECHNOLOGY;
D O I：
10.1080/02678292.2017.1376127
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A polarisation-independent blue-phase liquid crystal lens array using gradient electrodes is proposed. A high dielectric constant layer helps to smoothen out the horizontal electric field and reduce the operating voltage. With gradient electrodes and a planar top electrode, gradient electric fields are generated and lens-like phase profile is obtained. When the applied voltage is changed, the focal length of the lens can be tuned from to 5.94mm. Besides, the simulation results show that the lens is insensitive to polarisation while keeping parabolic-like profile. [GRAPHICS] .
引用
收藏
页码：715 / 720
页数：6
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