Magnetic field sensor based on fiber taper coupler coated with magnetic fluid

Wei Lin; Hao Zhang; Binbin Song; Bo Liu; Yandong Lin; Haifeng Liu; Yinping Miao; Yange Liu

doi:10.1117/12.2191929

28 September 2015 Magnetic field sensor based on fiber taper coupler coated with magnetic fluid

Wei Lin, Hao Zhang, Binbin Song, Bo Liu, Yandong Lin, Haifeng Liu, Yinping Miao, Yange Liu

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96347U (2015) https://doi.org/10.1117/12.2191929
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

In this paper, we have demonstrated a magnetic field sensor based on the fiber taper coupler coated with Magnetic fluid. The proposed sensor is fabricated by immersing a fiber taper coupler into the Magnetic fluid and then sealing it with the paraffin. The sensor exhibits high response as a function of the magnetic field with sensitivities of 0.154 nm/Oe with measurement range from 50 Oe to 200 Oe and -0.06301 dB/ Oe from 75 Oe to 200 Oe. Owing to the advantages of high sensitivity, small footprint, and ease of fabrication, the proposed sensor would find potential applications in magnetic field sensing field.

Citation Download Citation

Wei Lin, Hao Zhang, Binbin Song, Bo Liu, Yandong Lin, Haifeng Liu, Yinping Miao, and Yange Liu "Magnetic field sensor based on fiber taper coupler coated with magnetic fluid", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96347U (28 September 2015); https://doi.org/10.1117/12.2191929

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