Implementation of vectorial bend sensors using long-period gratings UV-inscribed in special shape fibres

Donghui Zhao, Kaiming Zhou, Xianfeng Chen, Lin Zhang, Ian Bennion, Gordon Flockhart, William N. MacPherson, James S. Barton, J. D C Jones

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We report the implementation of vector bending sensors using long-period gratings (LPGs) UV-inscribed in flat-clad, four-core and D-shaped fibres. Our experiments reveal a strong fibre-orientation dependence of the spectral response when such LPGs are subjected to dynamic bending, which provided an opportunity to realize curvature measurement with direction recognition. © 2004 IOP Publishing Ltd.

Original languageEnglish
Pages (from-to)1647-1650
Number of pages4
JournalMeasurement Science and Technology
Volume15
Issue number8
DOIs
Publication statusPublished - Aug 2004

Keywords

  • Bend sensor
  • Long-period grating
  • Special shape fibre

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