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Proceedings Paper

Optical bend sensor for vector curvature measurement based on Bragg grating in eccentric core polymer optical fibre
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Paper Abstract

We present an optical bend sensor based on a Bragg grating written in an eccentric core polymer optical fibre. The grating wavelength shifts are studied as a function of bend curvature and fibre orientation and the device exhibits strong fibre orientation dependence, wide bend curvature range of ± 22.7 m-1 and high bend sensitivity of 63 pm/m-1, which is 80 times higher than the reported sensor based on an offset-FBG in standard single mode silica fibre.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750327 (5 October 2009); doi: 10.1117/12.834958
Show Author Affiliations
X. Chen, Aston Univ. (United Kingdom)
C. Zhang, Aston Univ. (United Kingdom)
D. J. Webb, Aston Univ. (United Kingdom)
R. Suo, Aston Univ. (United Kingdom)
G. D. Peng, Univ. of New South Wales (Australia)
K. Kalli, Higher Technical Institute (Cyprus)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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