Magnetic field sensor utilizing rectangular-microfiber-based Sagnac loop interferometer

Zhuang Tian; Li‐Peng Sun; Jie Li; Yunyun Huang; Bai‐Ou Guan

doi:10.1364/acpc.2014.af3f.1

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Magnetic field sensor utilizing rectangular-microfiber-based Sagnac loop interferometer

Zhuang Tian Li‐Peng Sun Jie Li Yunyun Huang Bai‐Ou Guan

Year: 2014 Vol: 3 Pages: AF3F.1-AF3F.1

DOI: 10.1364/acpc.2014.af3f.1

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Abstract

We fabricate a magnetic field sensor by immersing a rectangular microfiber into a magnetic fluid in a Sagnac polarization interferometer. The measured sensitivity is ~98pm/Oe in the magnetic field range from 0 to 85Oe.

Keywords:

Microfiber Interferometry Magnetic field Optics Materials science Polarization (electrochemistry) Sensitivity (control systems) Physics Electronic engineering Chemistry

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Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Magneto-Optical Properties and Applications

Physical Sciences → Engineering → Electrical and Electronic Engineering

Magnetic field sensor utilizing rectangular-microfiber-based Sagnac loop interferometer

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