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Proceedings Paper

A novel magnetic field fiber sensor by using magnetic fluid in Sagnac loop
Author(s): Peng Zu; Chi Chiu Chan; Yongxing Jin; Yifan Zhang; Xinyong Dong
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Paper Abstract

A novel magnetic field sensor by using magnetic fluid film in Sagnac loop is presented. The magnetic fluid introduces controllable birefringence under external magnetic field inside the Sagnac loop to produce sinusoidal interference and the corresponding transmission spectrum shifts with the change of external field strength. Sensitivity of 11.4 pm/Oe and resolution of 0.88 Oe are achieved in the case of this proposed scheme.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77531G (17 May 2011); doi: 10.1117/12.884704
Show Author Affiliations
Peng Zu, Nanyang Technological Univ. (Singapore)
Chi Chiu Chan, Nanyang Technological Univ. (Singapore)
Yongxing Jin, China Jiliang Univ. (China)
Yifan Zhang, Nanyang Technological Univ. (Singapore)
Xinyong Dong, China Jiliang Univ. (China)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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