A simple strain sensor using polymer fiber Bragg grating and long-period fiber grating

Hong Bo Liu; Hui Yong Liu; Trevor Whitbread; Yun-Jiang Rao; Gang-Ding Peng

doi:10.1117/12.580654

14 February 2005 A simple strain sensor using polymer fiber Bragg grating and long-period fiber grating

Hong Bo Liu, Hui Yong Liu, Trevor Whitbread, Yun-Jiang Rao, Gang-Ding Peng

Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.580654
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Hong Bo Liu, Hui Yong Liu, Trevor Whitbread, Yun-Jiang Rao, and Gang-Ding Peng "A simple strain sensor using polymer fiber Bragg grating and long-period fiber grating", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.580654

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