| 光学电压传感器中λ／4器件的设计与应用 |
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| 引用本文： | 崔瑛,叶妙元,朱勇,徐雁. 光学电压传感器中λ／4器件的设计与应用[J]. 压电与声光, 2001, 23(1): 8-10 |
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| 作者姓名： | 崔瑛 叶妙元 朱勇 徐雁 |
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| 作者单位： | 华中科技大学 电力工程系, |
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| 摘 要： | 从光学电压传感器的基本原理出发，应用电磁场理论讨论了线偏振光经全反射后的相位差问题，提出了用90°直角棱镜的组合代替1／4波长板（λ／4波片）的设计原则，给出了光学电压传感器结构设计方案。将该结构的光学电压传感器用于110kV光学电压互感器中，试验表明在20％UN以上电压时，系统的线性相对偏差在±0.2％以内。
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| 关 键 词： | 光学电压传感器 线偏振光 λ／4波片 直角棱镜 设计 电磁场 |
| 文章编号： | 1004-2474（2001）01-0008-03 |
Design and Application ofthe Quarter Wave Plate in Optical Voltage Transformer |
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| CUI Ying,YE Miao yuan,ZHU Yong,XU Yan [. Design and Application ofthe Quarter Wave Plate in Optical Voltage Transformer[J]. Piezoelectrics & Acoustooptics, 2001, 23(1): 8-10 |
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| Authors: | CUI Ying YE Miao yuan ZHU Yong XU Yan [ |
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| Abstract: | Starting from the basic principle of optical voltagetransformer，this paper discussed the problem of phase retardation due to the total internal reflection of a polarized beam using the electromagnetic field theory．A design which utilizes the combination of two prisms of different types of glass to replace a quarter wave plate is presented here．The structure disign scheme of optical voltage sensor is also provided．The test result shows that the linearity of the system is within ±0.2％ after employing this kind of optical voltage sensor into a 110 kV optical voltage transformer． |
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| Keywords: | optical voltage transformer linear polarized light quarter wave plate right angle prism |
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