一种线性测量的光纤电压传感器

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Abstract An OVT based on Mach-Zehnder interferometer is proposed in this paper, which helps to convert the electro-optic phase delay into the displacement of the interference fringe. And then, the voltage applied to the electro-optic crystal is obtained by positioning the displacement of the fringe, and the effectiveness of this method is verified by experiments. The new OVT meets the requirements of 0.5% accuracy class. And it has advantages of direct linear measurement, independent of light intensity and no limit by half wave voltage of crystal in measurement range. Moreover the new OVT is simple and easy to be built up.

Key words： OVT Mach-Zehnder interferometer electro-optic modulator CCD

Published: 22 January 2018

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	Articles by authors
	Wang Yun
	Hu Yufeng
	Zou Zhijian
	Cai Li
	Zhu Jianwu

Cite this article:

Wang Yun,Hu Yufeng,Zou Zhijian等. The New Optical Voltage Sensor for Linear Measurement[J]. Electrical Engineering, 2017, 18(12): 118-121.

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http://dqjs.cesmedia.cn/EN/Y2017/V18/I12/118

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