期刊
CHINESE PHYSICS B
卷 24, 期 6, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1674-1056/24/6/064203
关键词
holographic polymer dispersed liquid crystal; blue phase; phase grating
资金
- National Basic Research Program of China [2013CB328804]
- National Natural Science Foundation of China [61307028]
- Funds from the Science and Technology Commission of Shanghai Municipality [11JC1405300, 13ZR1420000, 14ZR1422300]
- Fundamental Research Funds for the Central Universities, China [XDJK 2011C047]
In this paper, we demonstrate an alternative approach to fabricating an electrically tunable holographic polymer templated 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.
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