Bend measurement using Bragg gratings in multicore fibre

MJ Gander, GMH Flockhart, WN MacPherson, R McBride, JDC Jones, L Zhang, I Bennion, PM Blanchard, JG Burnett, AH Greenaway

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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
Title of host publication14th International Conference on Optical Fiber Sensors
EditorsAG Mignani, HC Lefevre
Place of PublicationBellingham
Pages720-723
Number of pages4
Publication statusPublished - 2000
Event14th International Conference on Optical Fiber Sensors - Venice, Italy
Duration: 11 Oct 200013 Oct 2000

Publication series

NameProceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE)
PublisherSPIE
Volume4185
ISSN (Print)0277-786X

Conference

Conference14th International Conference on Optical Fiber Sensors
CountryItaly
CityVenice
Period11/10/0013/10/00

Keywords

  • sensors
  • strain
  • bend measurement
  • bragg gratings
  • multicore fibre

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