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偏振显示及椭圆偏振光测量实验

Polarization Display and Measurement Experiment of Elliptically Polarized Beam

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摘要

以单束正交线偏振光为光源, 利用角向偏振显示器, 采用CCD摄像机进行图像采集, 利用Matlab软件进行图像处理, 设计了一种由He-Ne激光器、角向偏振显示器组成的偏振光偏振方向显示系统, 并研究了其角度特性.实验结果表明:系统在起偏器的起偏角分别为0°、90°、180°、270°、360°时, 角向偏振显示器偏振显示角度的测量准确度分别为0.480°、0.168°、0.528°、0.421°、0.340°, 测量精确度分别为0.208°、0.576°、0.660°、0.603°、0.466°, 测量数据拟合曲线的线性相关系数为0.999.结合1/4波片, 检偏器和分光比为50:50的分束器, 构建了椭圆偏振光测量系统, 完成了椭圆偏振光测量实验, 椭圆率为0.198.

Abstract

Using a pair of orthogonally linearly polarized beams as the light source, the azimuthally polarization axis finder, CCD cameras as image collector and Matlab software to process images, a polarization direction display system for polarized light was presented, which consisted of a He-Ne laser and an azimuthally polarization axis finder. The angle characteristics of this system were researched. The results show that the measurement accuracy is 0.480°, 0.168°, 0.528°, 0.421°and 0.340°, the measurement precision is 0.208°, 0.576°, 0.660°, 0.603° and 0.466° in the case that the polarizing angle of polarizer is 0°, 90°, 180°, 270° and 360°, respectively. By fitting a straight line to the experimental data, the linear correlation coefficient is 0.999 for this system. The elliptical polarization measurement system is constructed with a quarter-wave plate, analyzer and beam splitter with 50:50 splitting ratio. The measurement experiment of elliptically polarized light is completed, and the ellipticity of the elliptic curve is 0.198.

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中图分类号:O436

DOI:10.3788/gzxb20174605.0526003

基金项目:山西省自然基金(No. 2012011010-1)资助

收稿日期:2016-11-04

修改稿日期:2017-03-07

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张文静:中北大学 信息与通信工程学院, 太原 030051
张志伟:中北大学 信息与通信工程学院, 太原 030051
孙运强:中北大学 信息与通信工程学院, 太原 030051
朱祥:中北大学 信息与通信工程学院, 太原 030051
邓楠:中北大学 信息与通信工程学院, 太原 030051
张彩凤:中北大学 信息与通信工程学院, 太原 030051
郭鹏程:中北大学 信息与通信工程学院, 太原 030051
李庆圣:中北大学 信息与通信工程学院, 太原 030051

联系人作者:张文静(736272126@qq.com)

备注:张文静(1989-), 女, 博士研究生, 主要研究方向为光外差通信与应用.

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引用该论文

ZHANG Wen-jing,ZHANG Zhi-wei,SUN Yun-qiang,ZHU Xiang,DENG Nan,ZHANG Cai-feng,GUO Peng-cheng,LI Qing-sheng. Polarization Display and Measurement Experiment of Elliptically Polarized Beam[J]. ACTA PHOTONICA SINICA, 2017, 46(5): 0526003

张文静,张志伟,孙运强,朱祥,邓楠,张彩凤,郭鹏程,李庆圣. 偏振显示及椭圆偏振光测量实验[J]. 光子学报, 2017, 46(5): 0526003

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