Excessively tilted fiber grating-based vector magnetometer

Tean Lu, Yuezhen Sun, Yarien Moreno, Qizhen Sun, Kaiming Zhou, Hushan Wang, Zhijun Yan*, Deming Liu, Lin Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

A compact optic-fiber vector magnetometer is proposed and experimentally demonstrated, which is based on an excessively tilted fiber grating (Ex-TFG) assistant with the magnetic fluid (MF). Without any complicated processing, the cladding mode resonances of the bare Ex-TFG packaged by the MF show high sensitivity to slight perturbations by the magnetic field. Due to the excellent magneto-optical properties of the MF and the azimuth-dependent refractive index sensitivity of the Ex-TFG, such a magnetometer can achieve the magnetic field intensity sensitivity of 2.45 nm/mT and the orientation sensitivity of 0.41 nm/ deg. In addition, based on the spectral interrogation, the detection limit of the magnetic field intensity could reach around 8.1 μT at the minimum wavelength measurement accuracy of 0.02 nm.

Original languageEnglish
Pages (from-to)2494-2497
Number of pages4
JournalOptics Letters
Volume44
Issue number10
DOIs
Publication statusPublished - 10 May 2019

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magnetometers
gratings
fibers
sensitivity
magnetic flux
fluids
interrogation
azimuth
fiber optics
refractivity
optical properties
perturbation
magnetic fields
wavelengths

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://www.osapublishing.org/ol/abstract.cfm?uri=ol-44-10-2494. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Cite this

Lu, Tean ; Sun, Yuezhen ; Moreno, Yarien ; Sun, Qizhen ; Zhou, Kaiming ; Wang, Hushan ; Yan, Zhijun ; Liu, Deming ; Zhang, Lin. / Excessively tilted fiber grating-based vector magnetometer. In: Optics Letters. 2019 ; Vol. 44, No. 10. pp. 2494-2497.
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Lu, T, Sun, Y, Moreno, Y, Sun, Q, Zhou, K, Wang, H, Yan, Z, Liu, D & Zhang, L 2019, 'Excessively tilted fiber grating-based vector magnetometer', Optics Letters, vol. 44, no. 10, pp. 2494-2497. https://doi.org/10.1364/OL.44.002494

Excessively tilted fiber grating-based vector magnetometer. / Lu, Tean; Sun, Yuezhen; Moreno, Yarien; Sun, Qizhen; Zhou, Kaiming; Wang, Hushan; Yan, Zhijun; Liu, Deming; Zhang, Lin.

In: Optics Letters, Vol. 44, No. 10, 10.05.2019, p. 2494-2497.

Research output: Contribution to journalArticle

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Lu T, Sun Y, Moreno Y, Sun Q, Zhou K, Wang H et al. Excessively tilted fiber grating-based vector magnetometer. Optics Letters. 2019 May 10;44(10):2494-2497. https://doi.org/10.1364/OL.44.002494