Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/101427
Title: Intensity-modulated magnetic field sensor based on magnetic fluid and optical fiber gratings
Authors: Zheng, Jie
Dong, Xinyong
Zu, Peng
Ji, Junhua
Su, Haibin
Shum, Perry Ping
Keywords: DRNTU::Science::Physics
Issue Date: 2013
Source: Zheng, J., Dong, X., Zu, P., Ji, J., Su, H., & Shum, P. P. (2013). Intensity-modulated magnetic field sensor based on magnetic fluid and optical fiber gratings. Applied physics letters, 103(18), 183511-.
Series/Report no.: Applied physics letters
Abstract: An intensity-modulated magnetic field sensor based on magnetic fluid and optical fiber gratings is proposed and experimentally demonstrated. The sensor is formed by a tilted-fiber Bragg grating (TFBG) coated by magnetic fluid (MF) and cascaded by a chirped-fiber Bragg grating (CFBG). Transmission of the TFBG is modulated by refractive index of the MF, which is sensitive to external magnetic field. The CFBG is well designed to reflect a broadband of light spectrally located at the cladding mode resonances region of the TFBG. Therefore, reflected optical power is modulated twice by the magnetic field and measurement is realized in reflection manner.
URI: https://hdl.handle.net/10356/101427
http://hdl.handle.net/10220/18393
ISSN: 0003-6951
DOI: 10.1063/1.4828562
Rights: © 2013 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4828562]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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