Two-axis bend measurement with Bragg gratings in multicore optica fibre

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

Research output: Contribution to journalArticle

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

Bibliographical note

© 2003 Optical Society of America
This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-6-387. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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