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Proceedings Article

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

[+] Author Affiliations
X. Chen, C. Zhang, D. J. Webb, R. Suo

Aston Univ. (United Kingdom)

G. D. Peng

Univ. of New South Wales (Australia)

K. Kalli

Higher Technical Institute (Cyprus)

Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750327 (October 05, 2009); doi:10.1117/12.834958
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From Conference Volume 7503

  • 20th International Conference on Optical Fibre Sensors
  • Julian D. C. Jones
  • Edinburgh, United Kingdom | October 05, 2009

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.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

X. Chen ; C. Zhang ; D. J. Webb ; R. Suo ; G. D. Peng, et al.
"Optical bend sensor for vector curvature measurement based on Bragg grating in eccentric core polymer optical fibre", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750327 (October 05, 2009); doi:10.1117/12.834958; http://dx.doi.org/10.1117/12.834958


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