Acousto-optic Modulator Based Magnetic Field Sensor Using π-Phase Shifted Fiber Bragg Grating

Yusuf Samet Yaras; F. Levent Degertekin

doi:10.1364/OFS.2020.W4.34

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper W4.34
•https://doi.org/10.1364/OFS.2020.W4.34

Acousto-optic Modulator Based Magnetic Field Sensor Using π-Phase Shifted Fiber Bragg Grating

Yusuf Samet Yaras and F. Levent Degertekin

Optical Fiber Sensors 2020

Washington, DC United States
8–12 June 2020
ISBN: 978-1-55752-307-5

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Poster Session II (W4)

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Y. S. Yaras and F. L. Degertekin, "Acousto-optic Modulator Based Magnetic Field Sensor Using π-Phase Shifted Fiber Bragg Grating," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper W4.34.

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Abstract

A fiber optic magnetic field sensor utilizing an FBG based acousto-optic modulator is introduced. Sensitivity of 1.84mV/nT with minimum detectable magnetic field strength of 6.1pT/√Hz and dynamic range of 117dB/√Hz are demonstrated at 23MHz.

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