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

Hong Bo Liu | Zendy; Hui Y. Liu | Zendy; T. Whitbread | Zendy; Yunjiang Rao | Zendy; GangDing Peng | Zendy

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

Author(s) -

Hong Bo Liu,

Hui Y. Liu,

T. Whitbread,

Yunjiang Rao,

GangDing Peng

Publication year - 2005

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.580654

Subject(s) - fiber bragg grating , materials science , optics , phosfos , long period fiber grating , grating , fiber optic sensor , blazed grating , optical fiber , holographic grating , demodulation , ultrasonic grating , optoelectronics , diffraction grating , plastic optical fiber , wavelength , physics , telecommunications , computer science , channel (broadcasting)

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

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