Design and study of holographic polymer dispersed liquid crystal grating based electrically controlled optical chopperChinese Full Text
HUANG Aiqin,ZHENG Jihong,JiANG Yanmeng,TANG Pingyu ZHOU Zengjun,WANG Tingting,ZHUANG Songlin(School of Optical-Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China)
Abstract: According to the electro-optical properties of Holographic Polymer Dispersed Liquid Crystal（H-PDLC）,i.e.it can appear a state of "on" or "off" for light beam when adding an electric field.The single channel and double channel electrically controlled optical chopper for square wave and sinusoidal wave is studied,respectively.This kind of optical chopper owns the characteristics of stable frequency,high speed responsibility（maximum to microsecond level）,easy to integrate due to its small size and noiselessness.In addition,the frequency,duty ration and waveform of electric field can be expediently controlled by computer to achieve the purpose of intelligent modulation optical.
Keywords：
polymer dispersed liquid crystal; optical chopper; electric control and holographic; intelligent modulation;
- DOI：
10.13741/j.cnki.11-1879/o4.2011.05.017
- Series：
- Subject：
- Classification Code：
TN911.23;O436.1
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