Two-axis bend measurement with Bragg gratings in multicore optical fiber

G M H Flockhart, W N MacPherson, J S Barton, J D C Jones, L Zhang, I Bennion

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Abstract

We describe what is to our knowledge the first use of fiber Bragg gratings written into three separate cores of a multicore fiber for two-axis curvature measurement. The gratings act as independent, but isothermal, fiber strain gauges for which local curvature determines the difference in strain between cores, permitting temperature-independent bend measurement. (C) 2003 Optical Society of America.

Original languageEnglish
Pages (from-to)387-389
Number of pages3
JournalOptics Letters
Volume28
Issue number6
DOIs
Publication statusPublished - 15 Mar 2003

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Flockhart, G. M. H., MacPherson, W. N., Barton, J. S., Jones, J. D. C., Zhang, L., & Bennion, I. (2003). Two-axis bend measurement with Bragg gratings in multicore optical fiber. Optics Letters, 28(6), 387-389. https://doi.org/10.1364/OL.28.000387