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


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.

Publication DOI: https://doi.org/10.1117/12.834958
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Additional Information: X. Chen ; C. Zhang ; D. J. Webb ; R. Suo ; G. D. Peng and K. Kalli "Optical bend sensor for vector curvature measurement based on Bragg grating in eccentric core polymer optical fibre", Julian Jones ; Brian Culshaw ; Wolfgang Ecke ; José Miguel López-Higuera ; and Reinhardt Willsch (eds); Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750327 (October 05, 2009). Copyright 2009 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.834958
Event Title: 20th International Conference on Optical Fibre Sensors
Event Type: Other
Event Dates: 2009-10-05 - 2009-10-09
Uncontrolled Keywords: optical bend sensor,Bragg grating,eccentric core polymer optical fibre,grating wavelength shifts,bend curvature,fibre orientation,strong fibre orientation dependence,single mode silica fibre,Applied Mathematics,Computer Science Applications,Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials,Condensed Matter Physics
ISBN: 978-0-8194-7814-6
Last Modified: 06 Mar 2024 08:06
Date Deposited: 11 Mar 2019 16:40
Full Text Link: http://proceedi ... ticleid=1342548
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Chapter
Published Date: 2009-10
Authors: Chen, X.
Zhang, C.
Webb, D.J. (ORCID Profile 0000-0002-5495-1296)
Suo, R.
Peng, G.D.
Kalli, K.



Version: Published Version

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