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Proceedings Paper

Fiber grating pressure sensor with enhanced sensitivity
Author(s): Lihui Liu; Qida Zhao; Weigang Zhang; Hao Zhang; Long Jin; Luming Zhao; Yu Yan; Shiyu Gao; Xiaoyi Dong
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Paper Abstract

A novel pressure sensor with FBG partly packaged by a metal tube is presented. The thermal-strain cross effect can be avoided. Moreover, its pressure sensitivity is -2.44×10-3/MPa with the range from 0 to 0.44 MPa, which is 1200 times as that of a bare fiber grating. The linearity of this sensor reaches 0.9986.

Paper Details

Date Published: 10 January 2005
PDF: 4 pages
Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); doi: 10.1117/12.570762
Show Author Affiliations
Lihui Liu, Nankai Univ. (China)
Qida Zhao, Nankai Univ. (China)
Weigang Zhang, Nankai Univ. (China)
Hao Zhang, Nankai Univ. (China)
Long Jin, Nankai Univ. (China)
Luming Zhao, Nankai Univ. (China)
Yu Yan, Nankai Univ. (China)
Shiyu Gao, Nankai Univ. (China)
Xiaoyi Dong, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 5623:
Passive Components and Fiber-based Devices
Yan Sun; Shuisheng Jian; Sang Bae Lee; Katsunari Okamoto, Editor(s)

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