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Proceedings Paper

Static and dynamic property experiments of giant magnetostrictive material-fiber Bragg grating magnetic field sensors
Author(s): Guoping Ding; Jiayi Liu; Bin Gao; Biyun Zhang
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Paper Abstract

Nowadays, there are many kinds of magnetic field sensors such as Hall sensor, Gauss meter and so on. But few of them can be used in the small air gaps which size is about millimeter. A thin-slice Giant Magnetostrictive Material-fiber Bragg grating (GMM–FBG) magnetic field sensor was proposed with the size of 14mm×7mm×1.5mm. The FBG was bonded along the GMM slice length orientation, perpendicular to the major magnetostriction orientation, to measure the GMM’s strain caused by external magnetic field. Experiment systems were established to test the GMM–FBG sensor’s static and dynamic properties. The results show that the sensor’s static property is consistent with the theoretical prediction, and the dynamic response is feasible in low frequencies from 1Hz to 20Hz.

Paper Details

Date Published: 6 March 2015
PDF: 7 pages
Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 944639 (6 March 2015); doi: 10.1117/12.2181344
Show Author Affiliations
Guoping Ding, Wuhan Univ. of Technology (China)
Jiayi Liu, Wuhan Univ. of Technology (China)
Bin Gao, Wuhan Univ. of Technology (China)
Biyun Zhang, Wuhan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 9446:
Ninth International Symposium on Precision Engineering Measurement and Instrumentation
Junning Cui; Jiubin Tan; Xianfang Wen, Editor(s)

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