Fast-response and high-efficiency optical switch based on dual-frequency liquid crystal polarization grating

被引：45
|
作者：
Duan, Wei [1 ,2 ]
Chen, Peng [1 ,2 ]
Wei, Bing-Yan [1 ,2 ]
Ge, Shi-Jun [1 ,2 ]
Liang, Xiao [3 ]
Hu, Wei [1 ,2 ]
Lu, Yan-Qing [1 ,2 ]
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Coll Engn & Appl Sci, Nanjing 210093, Jiangsu, Peoples R China
[3] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
来源：
OPTICAL MATERIALS EXPRESS | 2016年 / 6卷 / 02期
基金：
中国国家自然科学基金;
关键词：
PHASE; ALIGNMENTS; GENERATION; ELECTRODES; MODULATOR; ARBITRARY; VOLTAGE; LAYER; FIELD; LENS;
D O I：
10.1364/OME.6.000597
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A dual-frequency liquid crystal polarization grating is fabricated by photoalignment and demonstrated as an optical switch. A high diffraction efficiency up to 95% is obtained for a single first order with circular incident polarization. Via merely alternating the frequency of applied electric field, the switch On and Off time reach 350 mu s and 550 mu s, respectively. This work supplies a new design for fast-response and high-efficiency optical switch with the merits of easy fabrication and low power consumption. (C) 2016 Optical Society of America
引用
收藏
页码：597 / 602
页数：6
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