Fiber optic pulsed magnetic-field sensor based on magneto-optic effect

Guobing Feng; Zhengfu Li; Xiaoming Wang; Qunshu Wang; Changan Liu

doi:10.1117/12.440226

14 September 2001 Fiber optic pulsed magnetic-field sensor based on magneto-optic effect

Guobing Feng, Zhengfu Li, Xiaoming Wang, Qunshu Wang, Changan Liu

Proceedings Volume 4414, International Conference on Sensor Technology (ISTC 2001); (2001) https://doi.org/10.1117/12.440226
Event: International Conference on Sensing units and Sensor Technology, 2001, Wuhan, China

Abstract

A fiber optic pulsed magnetic-field sensor based on Faraday magneto-optic effect is described in this paper. Its dynamic range is better than 70 dB within the nonlinearity of 5 percent and its noise equivalent magnetic flux density is about 1.5 by 10^-6 T. By the method of frequency spectrum analyze, the frequency response characteristic of the sensor is measured and its -3dB bandwidth is about 200kHz. The experimental results indicate that the sensor can be used for pulsed magnetic field or current measurements.

Citation Download Citation

Guobing Feng, Zhengfu Li, Xiaoming Wang, Qunshu Wang, and Changan Liu "Fiber optic pulsed magnetic-field sensor based on magneto-optic effect", Proc. SPIE 4414, International Conference on Sensor Technology (ISTC 2001), (14 September 2001); https://doi.org/10.1117/12.440226

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