A high-finesse fiber optic Fabry-Perot interferometer based magnetic-field sensor

Feifei Chen; Yi Jiang; Hongchun Gao; Lan Jiang

doi:10.1016/j.optlaseng.2015.03.013

A high-finesse fiber optic Fabry-Perot interferometer based magnetic-field sensor

Feifei Chen
, Yi Jiang^*
, Hongchun Gao
, Lan Jiang

^*此作品的通讯作者

Beijing Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

45 引用（Scopus）

摘要

A high-finesse extrinsic Fabry-Perot interferometric sensor for the measurement of weak dc magnetic fields is demonstrated. The Fabry-Perot cavity is formed by aligning the fiber end-face and the TbDyFe rod end-face, and each end-face is coated by a mirror with a micro-lens. The length of the TbDyFe rod is changed by the variation of an applied dc magnetic field, leading a change of the Fabry-Perot cavity length. By interrogating the white-light interferometric spectrum, the wavelength of the resonant peak is tracked and the length of the Fabry-Perot cavity is obtained. The sensor exhibits a high sensitivity of 1510 nm/mT with a magnetic resolution of 25 nT.

源语言	英语
页（从-至）	62-65
页数	4
期刊	Optics and Lasers in Engineering
卷	71
DOI	https://doi.org/10.1016/j.optlaseng.2015.03.013
出版状态	已出版 - 1 8月 2015

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title = "A high-finesse fiber optic Fabry-Perot interferometer based magnetic-field sensor",

abstract = "A high-finesse extrinsic Fabry-Perot interferometric sensor for the measurement of weak dc magnetic fields is demonstrated. The Fabry-Perot cavity is formed by aligning the fiber end-face and the TbDyFe rod end-face, and each end-face is coated by a mirror with a micro-lens. The length of the TbDyFe rod is changed by the variation of an applied dc magnetic field, leading a change of the Fabry-Perot cavity length. By interrogating the white-light interferometric spectrum, the wavelength of the resonant peak is tracked and the length of the Fabry-Perot cavity is obtained. The sensor exhibits a high sensitivity of 1510 nm/mT with a magnetic resolution of 25 nT.",

keywords = "Extrinsic Fabry-Perot, Fiber optic sensors, High-finesse, Magnetic field",

author = "Feifei Chen and Yi Jiang and Hongchun Gao and Lan Jiang",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd. All right sreserved.",

year = "2015",

month = aug,

day = "1",

doi = "10.1016/j.optlaseng.2015.03.013",

language = "English",

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T1 - A high-finesse fiber optic Fabry-Perot interferometer based magnetic-field sensor

AU - Chen, Feifei

AU - Jiang, Yi

AU - Gao, Hongchun

AU - Jiang, Lan

PY - 2015/8/1

Y1 - 2015/8/1

N2 - A high-finesse extrinsic Fabry-Perot interferometric sensor for the measurement of weak dc magnetic fields is demonstrated. The Fabry-Perot cavity is formed by aligning the fiber end-face and the TbDyFe rod end-face, and each end-face is coated by a mirror with a micro-lens. The length of the TbDyFe rod is changed by the variation of an applied dc magnetic field, leading a change of the Fabry-Perot cavity length. By interrogating the white-light interferometric spectrum, the wavelength of the resonant peak is tracked and the length of the Fabry-Perot cavity is obtained. The sensor exhibits a high sensitivity of 1510 nm/mT with a magnetic resolution of 25 nT.

AB - A high-finesse extrinsic Fabry-Perot interferometric sensor for the measurement of weak dc magnetic fields is demonstrated. The Fabry-Perot cavity is formed by aligning the fiber end-face and the TbDyFe rod end-face, and each end-face is coated by a mirror with a micro-lens. The length of the TbDyFe rod is changed by the variation of an applied dc magnetic field, leading a change of the Fabry-Perot cavity length. By interrogating the white-light interferometric spectrum, the wavelength of the resonant peak is tracked and the length of the Fabry-Perot cavity is obtained. The sensor exhibits a high sensitivity of 1510 nm/mT with a magnetic resolution of 25 nT.

KW - Extrinsic Fabry-Perot

KW - Fiber optic sensors

KW - High-finesse

KW - Magnetic field

UR - https://www.scopus.com/pages/publications/84937761649

U2 - 10.1016/j.optlaseng.2015.03.013

DO - 10.1016/j.optlaseng.2015.03.013

M3 - Article

AN - SCOPUS:84937761649

SN - 0143-8166

VL - 71

SP - 62

EP - 65

JO - Optics and Lasers in Engineering

JF - Optics and Lasers in Engineering

ER -

A high-finesse fiber optic Fabry-Perot interferometer based magnetic-field sensor

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