Electrically tunable holographic polymer templated blue phase liquid crystal grating

In this paper, we demonstrate an alternative approach to fabricating an electrically tunable holographic polymer tem- plated blue phase liquid crystal grating. This grating is obtained by preforming a polymer template comprised of periodic fringes, and then refilling it with a blue phase liquid crys...

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Bibliographic Details
Published in:Chinese physics B 2015-06, Vol.24 (6), p.328-333
Main Author: 何正红 陈超平 朱吉亮 袁亚超 李燕 胡伟 李潇 李洪婧 陆建刚 苏翼凯
Format: Article
Language:English
Subjects:
Electric potential
Electrodes
Liquid crystals
Patterning
Preforming
Refilling
Switching
Voltage
全息
周期性
响应时间
模板
液晶光栅
电调
聚合物
预成形
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Summary:In this paper, we demonstrate an alternative approach to fabricating an electrically tunable holographic polymer tem- plated blue phase liquid crystal grating. This grating is obtained by preforming a polymer template comprised of periodic fringes, and then refilling it with a blue phase liquid crystal. Compared with conventional holographic polymer dispersed liquid crystal gratings, our grating can remarkably reduce its switching voltage from 200 V to 43 V while maintaining a sub-millisecond response time. The holographic polymer templated blue phase liquid crystal （HPTBPLC） grating is free from electrode patterning, thus leading to a lower cost and more flexible applications.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/24/6/064203