Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/135624
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Type: Journal article
Title: Temperature Compensated Magnetic Field Sensor Using Magnetic Fluid Filled Exposed Core Microstructure Fiber
Author: Yu, Q.
Li, X.-G.
Zhou, X.
Chen, N.
Wang, S.
Li, F.
Lv, R.-Q.
Nguyen, L.
Warren-Smith, S.C.
Zhao, Y.
Citation: IEEE Transactions on Instrumentation and Measurement, 2022; 71
Publisher: Institute of Electrical and Electronics Engineers
Issue Date: 2022
ISSN: 0018-9456
1557-9662
Statement of
Responsibility: 
Qi Yu, Xue-Gang Li, Xue Zhou, Ning Chen, Shankun Wang, Fei Li, Ri-Qing Lv, Linh V. Nguyen, Stephen C. Warren-Smith, and Yong Zhao
Abstract: A temperature compensated magnetic field sensor using magnetic fluid (MF) filled exposed core fiber (ECF) has been proposed to detect magnetic field strength and temperature (MFT) simultaneously in this article. The designed sensor was formed by splicing an ECF between two sections of singlemode fibers (SMFs), in which the ECF’s exposed side was filled with MF. ECF is a multimode fiber that supports multiple modes of light transmitting and produces mode interference in the core. Different order modes of light excited in the ECF have individual sensitivities to MFT. Therefore, interference spectra of two different pair modes can be monitored to measure MFT simultaneously. The results show that the sensor responds well to MFT. The maximum MFT sensitivities are −0.18 nm/mT and −0.16 nm/° C. The limit of detections (LOD) of MFT is 1.7 mT and 1.9 ° C. The sensor is particularly suitable for simultaneous detection of MFT in narrow spaces, such as industrial flaw detection, aerospace, and medical applications.
Keywords: Exposed core fiber; ECF; fiber-optic interferometer; magnetic field; magnetic fluid; MF; temperature
Rights: © 2022 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See https://www.ieee.org/publications/rights/index.html for more information.
DOI: 10.1109/TIM.2022.3178501
Appears in Collections:Aurora submissions

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