| 基于Stokes参量法测量矢量光束偏振态的方法 |
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| 引用本文： | 周哲海,祝连庆.基于Stokes参量法测量矢量光束偏振态的方法[J].激光与红外,2016,46(6):742-746. |
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| 作者姓名： | 周哲海 祝连庆 |
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| 作者单位： | 光电测试技术北京市重点实验室,北京信息科技大学,北京 100192 |
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| 基金项目： | 国家自然科学基金（No.61475021、61108047）；北京市自然科学基金（No.4152015）；教育部新世纪优秀人才项目（No.NCET-13-0667）资助 |
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| 摘 要： | 矢量光束的偏振态检测是矢量光束研究的关键技术。论文研究了基于Stokes参量法测量矢量光束偏振态的方法,介绍了该方法的基本原理和实现过程。基于猫眼腔激光器和马赫-曾德干涉仪生成了4种不同偏振态分布的轴对称线偏振矢量光束,并用Stokes参量法计算了生成光束的四个Stokes参量,以及光束每个像素点上的椭圆取向角和椭圆率角,得到了生成光束的偏振纯度。实验结果证明了Stokes参量法可有效实现矢量光束的偏振态检测。
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| 关 键 词： | Stokes参量 矢量光束 偏振态 |
Measurement method of polarization state of vector beams based on Stokes parameters |
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| ZHOU Zhe-hai,ZHU Lian-qing.Measurement method of polarization state of vector beams based on Stokes parameters[J].Laser & Infrared,2016,46(6):742-746. |
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| Authors: | ZHOU Zhe-hai ZHU Lian-qing |
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| Affiliation: | Beijing Key Laboratory of Optoelectronic Measurement Technology,Beijing Information Science and Technology University,Beijing 100192,China |
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| Abstract: | Polarization state Measurement of vector beams is the key technology for the research of vector beams.The measurement method for polarization state of vector beams based on Stokes parameters is studied.The basic principle and realization procedure of the method are introduced,and then four types of axially symmetric linearly polarized beams are generated based on a cat-eye cavity laser and a Mach-Zenhder interferometer.Four Stokes parameters of generated vector beams are calculated as well as elliptical angle of orientations and ellipticity angles,and the polarization purity of generated beams is obtained.The experimental results verify the feasibility of the method for polarization state measurement of vector beams. |
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| Keywords: | Stokes parameters vector beams state of polarization |
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