Performance of an optically addressed liquid crystal light valve and its application in optics damage protection

被引：1
|
作者：
黄大杰 [1 ]
范薇 [1 ]
李学春 [1 ]
林尊琪 [1 ]
机构：
[1] National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
来源：
Chinese Optics Letters | 2013年 / 11卷 / 07期
关键词：
LCOS; Figure;
D O I：
暂无
中图分类号：
TN761 [调制技术与调制器];
学科分类号：
080902 ;
摘要：
We report an optically addressed liquid crystal light valve, a home-made device that has solved the problem of low transmittance caused by opaque electrodes in present transmissive spatial light modulators. The operating characteristic of the light valve is analyzed. The optimum driving voltage of this device is 27 V at 300 Hz, as deduced from the equivalent electric model. Its transmittance reaches 80% and its contrast is approximately 40:1. Its dynamic performance, especially its ability to obscure laser light at programmed locations, is demonstrated. The results are in good agreement with the desired shape, which indicates that our light valve performs very well.
引用
收藏
页码：65 / 69
页数：5
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