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

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

Research output: Contribution to journalArticle

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.
Original languageEnglish
Pages (from-to)1647-1650
Number of pages4
JournalMeasurement Science and Technology
Volume15
Issue number8
DOIs
Publication statusPublished - 19 Jul 2004

Keywords

  • bend sensor
  • long-period grating
  • special shape fibre

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