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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Bend measurement using Bragg gratings in multicore fibre

Gander, MJ and Flockhart, GMH and MacPherson, WN and McBride, R and Jones, JDC and Zhang, L and Bennion, I and Blanchard, PM and Burnett, JG and Greenaway, AH (2000) Bend measurement using Bragg gratings in multicore fibre. In: 14th International Conference on Optical Fiber Sensors. Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE) . SPIE, Bellingham, pp. 720-723.

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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.