Electrically controlled optical choppers based on holographic polymer dispersed liquid crystal gratings

被引：9

作者：

Zheng, Jihong ^{[1
]}

Sun, Guoqiang ^{[1
]}

Wen, Ken ^{[1
]}

Wang, Tingting ^{[1
]}

Zhuang, Songlin ^{[1
]}

Liu, Yanjun ^{[2
]}

Yin, Stuart ^{[3
]}

机构：

[1] Univ Shanghai Sci & Technol, Coll Opt & Elect Informat Engn, Shanghai 200093, Peoples R China

[2] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA

[3] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

来源：

CHINESE OPTICS LETTERS | 2010年 / 8卷 / 12期

基金：

美国国家科学基金会;

关键词：

BRAGG GRATINGS; ELECTROOPTICAL PROPERTIES; PHOTONIC CRYSTAL; LENS;

D O I：

10.3788/COL20100812.1167

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An electrically controlled optical chopper based on switchable holographic polymer dispersed liquid crystal (H-PDLC) gratings is demonstrated through a programmable, adjustable, and periodic external driving source. Compared with traditional mechanical optical choppers, the H-PDLC chopper exhibits many advantages, including faster response time, less waveform deformation, as well as easier integration, control, and fabrication, to name a few. Its excellent performance makes the device potentially useful in frequency modulation optical systems, such as frequency division multiplexed microscopy system.

引用

页码：1167 / 1170

页数：4

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