Research on fiber Bragg grating huge current sensing based on electromagnetic force

Yuan Yao; Ciming Zhou; Dongli Wang; Lin Wu

doi:10.1117/12.900128

8 September 2011 Research on fiber Bragg grating huge current sensing based on electromagnetic force

Yuan Yao, Ciming Zhou, Dongli Wang, Lin Wu

Proceedings Volume 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies; 81910V (2011) https://doi.org/10.1117/12.900128
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

Current sensor is the core device for the electric energy measurement. Fiber Bragg grating (FBG) sensing technology has many applications with anti-electromagnetic interference, good insulation, high reliability, small size, distributed measurement. Fiber brag grating based current sensing becomes an important direction of research and exploration. The principle of fiber Bragg grating current sensor based on electromagnetic force has analyzed. The structure of fiber Bragg grating current sensor has designed. Huge current measurement has achieved with high-speed demodulation equipment. The demodulation range of fiber Bragg grating center wavelength is 2.7nm when DC (0-700A, step 100A, 50Hz) current were inflicted.

Citation Download Citation

Yuan Yao, Ciming Zhou, Dongli Wang, and Lin Wu "Research on fiber Bragg grating huge current sensing based on electromagnetic force", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81910V (8 September 2011); https://doi.org/10.1117/12.900128

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