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Magnetic Sensor Based on Side-Polished Fiber Bragg Grating Coated With Iron Film

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5 Author(s)
Chuen-Lin Tien ; Dept. of Electr. Eng., Feng Chia Univ., Taichung ; Chang-Chou Hwang ; Hong-Wei Chen ; Wen Fung Liu
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This paper presents a novel fiber-optic magnetic sensor based on a side-polished fiber Bragg grating coated with thin iron film. The Bragg wavelength shift of 0.08 nm was measured at the distance of 0.38 mm between fiber sensor and Nd-Fe-B magnet with remanent flux density of 1.115 T. We demonstrate the ability to measure magnetic fields using such a device

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Magnetics, IEEE Transactions on  (Volume:42 ,  Issue: 10 )