| 基于法拉第效应的空间电磁场测量的方向性研究 |
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| 引用本文： | 苏洋,王江平,李玉权.基于法拉第效应的空间电磁场测量的方向性研究[J].光学学报,2008,28(4):705-709. |
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| 作者姓名： | 苏洋 王江平 李玉权 |
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| 作者单位： | 解放军理工大学通信工程学院光纤通信实验室,江苏南京,210007 |
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| 摘 要： | 为了解决空间电磁场测量中的方向性问题,提出了三维测量和同时测量横、纵向磁场的两种方案.利用琼斯矩阵对三种晶体实例(TbY)IG、Ce:YIG和YIG进行误差计算和仿真,并对MR4磁光玻璃的方向性进行实验测试,理论和实验都证明采用三维测量的方法是可行的.对于第二种方案,利用琼斯矩阵进行公式推导得出椭圆偏振光的方位角、椭偏角与法拉第旋转角、磁致线双折射的数值关系,证明了同时测量横向和纵向磁场分量的可行性.
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| 关 键 词： | 光学测量 电磁场 方向性 磁致线双折射 三维测量 |
| 收稿时间： | 2007/5/11 |
Analysis of Directionality for Spatial Electromagnetic Field Measurement Based on Faraday Effect |
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| Su Yang,Wang Jiangping,Li Yuquan.Analysis of Directionality for Spatial Electromagnetic Field Measurement Based on Faraday Effect[J].Acta Optica Sinica,2008,28(4):705-709. |
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| Authors: | Su Yang Wang Jiangping Li Yuquan |
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| Abstract: | To solve the directionality of spatial magnetic field measurement , two schemes including three-dimensional measurement and simultaneous measurement of transverse, longitudinal components are proposed. The simulation and calculation of three crystals (TbY)IG,Ce∶YIG and YIG by Jones matrix are carried out, and the directionality of magnetooptic glass of MR4 is tested. Both theoretical and experimental results prove the feasibility of the first scheme. For the second scheme the relationship between azimuth angle, ellipticity of the elliptical polarization light and Faraday rotation angle, magnetic linear birefringence is gained, which confirms the feasibility of the second scheme. |
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| Keywords: | optical measurement electromagnetic field directionality magnetic linear birefringence three-dimensional measurement |
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