| 一种基于旋转1/4波片法的激光偏振度测量仪 |
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| 引用本文： | 古兆兵,郝淑杰,王雷,许荣国,阴万宏.一种基于旋转1/4波片法的激光偏振度测量仪[J].应用光学,2018,39(6):936-941. |
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| 作者姓名： | 古兆兵 郝淑杰 王雷 许荣国 阴万宏 |
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| 作者单位： | 1.军事科学研究院 系统工程院，北京 100141 |
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| 基金项目： | 国防科技工业技术基础科研项目；军用测试仪器型号项目 |
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| 摘 要： | 为了满足光的偏振特性测量要求，设计了一套激光偏振度测量仪。该装置利用旋转1/4波片对光波进行调制，通过对调制信号进行傅里叶分析获得光源的偏振度。利用测量光功率的方式对激光偏振度测量仪的偏振度进行校准，实验结果表明，所研制的激光偏振度测量仪测量精度优于0.5%，满足高精度激光偏振度测量需求。
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| 关 键 词： | 激光 偏振度测量仪 1/4波片法 嵌入式 |
| 收稿时间： | 2018-09-03 |
Laser polarimeter based on rotary 1/4 waveplate |
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| Institution: | 1.Systems Engineering Institute, Academy of Military Sciences, Beijing 100141, China2.China Ordnance Industrial Standardization Research Institute, Beijing 100089, China3.National DefenseTechnology Industrial Optical Primary Metering Station, Xi'an Institute of Applied Optics, Xi'an 710065, China |
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| Abstract: | In order to meet the measurement requirements of optic polarization characteristics, a set of laser polarization degree measuring instrument was designed. The device modulated the light wave by using a rotating 1/4 waveplate, and the degree of polarization (DOP) of light source was obtained by Fourier analysis of the modulated signal.The DOP of polarimeter was calibrated by measuring the optical power. The experimental results show that the developed laser polarimeter has a measurement accuracy better than 0.5%, which can satisfy the needs of high-precision laser DOP measurement. |
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