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Proceedings Paper

A simple strain sensor using polymer fiber Bragg grating and long-period fiber grating
Author(s): Hong Bo Liu; Hui Yong Liu; Trevor Whitbread; Yun-Jiang Rao; Gang-Ding Peng
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Paper Abstract

We develop a simple strain sensor using polymer optical fibre Bragg grating and long period fibre grating. The sensor head is formed by a polymer optical fiber Bragg grating. A long period fibre grating is used for strain related wavelength shift demodulation. This particular combination of two quite different gratings could offer very large dynamic, up to tens of thousands micro-strains, for strain sensing. The preliminary experimental results have demonstrated that this sensing scheme provides good linearity, high resolution and large dynamic range.

Paper Details

Date Published: 14 February 2005
PDF: 5 pages
Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.580654
Show Author Affiliations
Hong Bo Liu, Univ. of New South Wales (Australia)
Hui Yong Liu, Univ. of New South Wales (Australia)
Trevor Whitbread, Univ. of New South Wales (Australia)
Yun-Jiang Rao, Chongqing Univ. (China)
Gang-Ding Peng, Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 5634:
Advanced Sensor Systems and Applications II
Yun-Jiang Rao; Osuk Y. Kwon; Gang-Ding Peng, Editor(s)

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