Adaptive modulation system for liquid crystal phase modulator

被引：0
|
作者：
张彬 [1 ]
刘诗雨 [1 ]
唐先柱 [1 ]
陆建钢 [1 ]
机构：
[1] Department of Electronic Engineering and National Engineering Lab for TFT-LCD Materials and Technologies,Shanghai Jiao Tong University
来源：
Chinese Optics Letters | 2016年 / 14卷 / 09期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
LC; Adaptive modulation system for liquid crystal phase modulator;
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：
An adaptive modulation system for a liquid crystal(LC) phase modulator is demonstrated. The phase retardation may be modulated by resetting the driving voltage automatically by matching the measured and ideal transmittance of an LC cell sandwiched by crossed polarizers. By using this system, an LC phase modulator can get a low error function of 0.25% in a short modulation time, which is less than the 10% obtained using a conventional modulation method.
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页码：24 / 27
页数：4
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