| 无源光纤脉冲电压电场传感器的研究 |
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| 引用本文： | 李海涛,叶妙元,崔瑛,朱勇.无源光纤脉冲电压电场传感器的研究[J].华中科技大学学报(自然科学版),2000,28(9):38-39. |
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| 作者姓名： | 李海涛 叶妙元 崔瑛 朱勇 |
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| 作者单位： | 华中理工大学电力工程系 |
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| 摘 要： | 研究了一种利用电光晶体的一次电光效应测量脉冲电压和电场的方法,给出了光纤电压电场传感器的基本结构和测量原理,计算和对比了BGO和LN等几种不同晶体对测量灵敏度的影响.利用HP-8011A型脉冲信号发生器做为信号源,进行了初步的设计和测试,实验结果表明LN晶体具有较高的灵敏度、线性度以及较好的频率响应.
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| 关 键 词： | 光纤电压电场传感器 泡克尔斯电光效应 电光晶体 |
| 文章编号： | 1000-8616(2000)09-0038-02 |
| 修稿时间： | 1999年12月16 |
Electric Field Sensor of Optical Fiber with Passive Impulse Voltage |
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| Li Haitao Ye Miaoyuan Cui Ying Zhu Yongof Electrical Power Eng.,HUST,Wuhan ,China..Electric Field Sensor of Optical Fiber with Passive Impulse Voltage[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2000,28(9):38-39. |
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| Authors: | Li Haitao Ye Miaoyuan Cui Ying Zhu Yongof Electrical Power Eng HUST Wuhan China |
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| Institution: | Li Haitao Ye Miaoyuan Cui Ying Zhu Yongof Electrical Power Eng.,HUST,Wuhan 430074,China. |
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| Abstract: | A method by using eletro optic effect of EO crystal to measure electric field of impulse voltage is given. The basic measurement structures are presented. By means of calculation and comparison, the characteristics of the several varied crystal such as BGO, LN are illustrated. To use HP 8011A impulse signal generator as the signal source, the preliminary testing of the system is made. The experimental results have shown that LN crystal has the characteristics of better sensitivity, linear and frequency compared with the other crystals. |
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| Keywords: | optical fiber voltage electric field sensor pockels electro optic effect electro optic crystal |
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