Bend measurement using Bragg gratings in multicore fibre

M. J. Gander, G. M H Flockhart, W. N. MacPherson, R. McBride, J. D C Jones, L. Zhang, I. Bennion, P. M. Blanchard, J. G. Burnett, A. H. Greenaway

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Abstract

We describe the measurements of curvature made using Bragg gratings written in separate cores of a multicore optical fibre. The gratings act as independent, but isothermal, strain gauges. Thus the difference in Bragg wavelength between the gratings provides a measurement of local curvature.

Original languageEnglish
Pages (from-to)720-723
Number of pages4
JournalProceedings of SPIE - the International Society for Optical Engineering
Volume4185
Publication statusPublished - 2000
Event14th International Conference on Optical Fiber Sensors - Venice, Italy
Duration: 11 Oct 200013 Oct 2000

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    Gander, M. J., Flockhart, G. M. H., MacPherson, W. N., McBride, R., Jones, J. D. C., Zhang, L., Bennion, I., Blanchard, P. M., Burnett, J. G., & Greenaway, A. H. (2000). Bend measurement using Bragg gratings in multicore fibre. Proceedings of SPIE - the International Society for Optical Engineering, 4185, 720-723.