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Title: Optical fiber magnetic field sensor based on magnetic fluid and microfiber mode interferometer
Authors: Zheng, Yangzi
Dong, Xinyong
Chan, Chi Chiu
Shum, Perry Ping
Su, Haibin
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Issue Date: 2014
Source: Zheng, Y., Dong, X., Chan, C. C., Shum, P. P., & Su, H. (2015). Optical fiber magnetic field sensor based on magnetic fluid and microfiber mode interferometer. Optics communications, 336, 5-8.
Series/Report no.: Optics communications
Abstract: A magnetic field sensor is proposed based on the combination of magnetic fluid (MF) and an optical microfiber mode interferometer (MMI). It is measured that the MMI is highly sensitive to ambient refractive index (RI) with a high sensitivity up to 16,539 nm/RIU while RI of the MF is changeable with an external magnetic field strength. By monitoring wavelength shift of transmission spectrum of the MMI, magnetic field measurement is realized with a maximum sensitivity of −293 pm/Oe in the range of 0–220 Oe.
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2014.09.026
Schools: School of Chemical and Biomedical Engineering 
School of Electrical and Electronic Engineering 
School of Materials Science & Engineering 
Research Centres: Research Techno Plaza 
Rights: © 2014 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Optics Communications, Elsevier B.V. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
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