| 偏振分束器对光学电流传感器稳定性的影响 |
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| 引用本文： | 李红斌,刘延冰,汪本进.偏振分束器对光学电流传感器稳定性的影响[J].光子学报,2003,32(2):159-161. |
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| 作者姓名： | 李红斌 刘延冰 汪本进 |
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| 作者单位： | 华中科技大学电气与电子工程学院,武汉,430074 |
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| 摘 要： | 采用偏振光学理论,详细分析了光学电流传感器中偏振分束器消光比的变化对传感器性能的影响,得到了偏振分束器消光比与传感器输出的关系式,并用系统实验进行了验证.理论及实验结果的吻合证明了光学电流传感器稳定性直接受偏振分束器两路消光比影响的结论.
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| 关 键 词： | 光学电流传感器 偏振分束器 消光比 |
| 收稿时间： | 2002/4/24 |
| 修稿时间： | 2002年4月24日 |
Research for the Effect of Polarization Beam-Splitter on Stability of Optical Current Sensor |
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| Li Hongbin,Liu Yanbin,Wang Benjin School of Electrical and Electronic Engineering,Huazhong University of Science and Technology,Wuhan.Research for the Effect of Polarization Beam-Splitter on Stability of Optical Current Sensor[J].Acta Photonica Sinica,2003,32(2):159-161. |
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| Authors: | Li Hongbin Liu Yanbin Wang Benjin School of Electrical and Electronic Engineering Huazhong University of Science and Technology Wuhan |
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| Institution: | Li Hongbin,Liu Yanbin,Wang Benjin School of Electrical and Electronic Engineering,Huazhong University of Science and Technology,Wuhan 430074 |
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| Abstract: | By using of the theory of polarized optics,the influence of the variation in extinction ratios of polarized beam splitter (PBS) used in optical current sensor on sensor performance is analyzed in detail,the formula between extinction ratios of PBS and sensor output is obtained,and the demonstration is carried out with system experiments.The consistence of theory and experiment results has proven the decision that sensor stability is directly affected by the two extinction ratios of PBS. |
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| Keywords: | Optical current sensor Polarized beam-splitter Extinction ratio |
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