液晶消色差偏振光开关

张弛; 郭玉强; 孙玉宝

doi:10.3788/YJYXS20183302.0109

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液晶消色差偏振光开关

材料与器件 | 更新时间：2020-07-06

- 液晶消色差偏振光开关
- Liquid crystal achromatic polarized switch
- 液晶与显示 2018年33卷第2期页码：109-115
- 作者机构：
  
  河北工业大学应用物理系, 天津 300401
- 作者简介：
  
  [ "张弛(1994-), 男, 河北保定人, 硕士研究生, 2016年于河北工业大学获得学士学位, 主要从事液晶器件方面研究。E-mail:1021416548@qq.com" ]
  孙玉宝, E-mail:1021416548@qq.com
- 基金信息：
  
  国家自然科学基金(61475042);国家自然科学基金(11304074);国家自然科学基金(11274088);河北省自然科学基金(A2015202320);河北高校重点学科建设项目(GCC2014048);河北高校重点学科建设项目;the National Natural Science Foundation of China(11304074);the National Natural Science Foundation of China(61475042);the National Natural Science Foundation of China(11274088);Natural Science Foundation of Hebei Province(A2015202320);Key Subject Construction Project of Hebei Province University(GCC2014048);Key Subject Construction Project of Hebei Province University
- DOI：10.3788/YJYXS20183302.0109
  中图分类号： TP141.9
- 收稿日期：2017-07-17，
  
  录用日期：2017-8-11，
  
  纸质出版日期：2018-02-05
- 稿件说明：
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张弛, 郭玉强, 孙玉宝. 液晶消色差偏振光开关[J]. 液晶与显示, 2018,33(2):109-115.

Chi ZHANG, Yu-qiang GUO, Yu-bao SUN. Liquid crystal achromatic polarized switch[J]. Chinese journal of liquid crystals and displays, 2018, 33(2): 109-115.
张弛, 郭玉强, 孙玉宝. 液晶消色差偏振光开关[J]. 液晶与显示, 2018,33(2):109-115. DOI： 10.3788/YJYXS20183302.0109.

Chi ZHANG, Yu-qiang GUO, Yu-bao SUN. Liquid crystal achromatic polarized switch[J]. Chinese journal of liquid crystals and displays, 2018, 33(2): 109-115. DOI： 10.3788/YJYXS20183302.0109.

摘要

为了实现全可见光波长范围内的偏振光偏振方向正交变化的可控性，我们研究了由液晶盒构成的消色差偏振光开关。研究了液晶波片的偏光旋转特性及响应特性，并与传统波片的偏光旋转效果进行对比，然后参考组合式消色差波片的设计，设计出了由多片液晶盒构成的消色差偏振光开关。使用Tech Wiz LCD 1D软件对两种结构的消色差偏振光开关进行模拟，得到其偏光旋转效果以及响应特性，并得到不同波长偏振光的对比度。模拟结果表明：本文中提出的两种结构的液晶消色差偏振光开关可以实现在较大波长范围内的偏振光方向的正交变化，同时出射偏振光具有较高的偏振度。在20 V驱动电压下，偏振旋转的上升时间0.3 ms，下降时间4.5 ms，符合实际器件中对于消色差偏振光开关的响应速度要求。

Abstract

In order to realize the controllability of orthogonal change of polarization direction of the polarized light in the whole visible wavelength range

we research the achromatic polarized light switch composed of liquid crystal wave-plates. The polarization rotation and response characteristics of a liquid crystal wave-plate are analyzed synthetically

and compared with the polarizing effect of the traditional wave-plate. Then

the achromatic polarized light switch is designed by referring to the design of the combined achromatic wave-plates. Two polarized light switches with two different structures are simulated by Tech Wiz LCD 1D software

and its polarization rotation effect and response characteristics were obtained. The contrast ratio of different wavelength polarized light was calculated. The simulation results show that the liquid crystal achromatic polarized light switches showed in this paper can realize the orthogonal change of the polarized direction of polarized light in the wide visible wavelength

and the polarized light has a high degree of polarization. Under the 20 V driving voltage

the turn on time is 0.3 ms and the turn off time is 4.5 ms for the polarization rotation switch. The results are fit for the requirements for achromatic polarized light switch.

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references

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