Simultaneous refractive index and temperature measurement using cascaded long-period grating in double-cladding fibre

Bashir A.L. Gwandu, Xuewen Shu, Thomas D.P. Allsop, Wei Zhang, David J. Webb, Lin Zhang, Ian Bennion

Research output: Contribution to journalArticle

Abstract

A compact scheme for simultaneous temperature and surrounding refractive index (SRI) measurement using two long-period gratings (LPGs) of different periods inscribed side-by-side in a single piece of a double-cladding fibre is presented. One of the LPGs is sensitive to both SRI and temperature, whilst the second is sensitive to temperature only.

Original languageEnglish
Pages (from-to)695-696
Number of pages2
JournalElectronics letters
Volume38
Issue number14
DOIs
Publication statusPublished - 4 Jul 2002

Keywords

  • simultaneous temperature
  • surrounding refractive index
  • measurement
  • long-period gratings
  • double-cladding fibre
  • temperature

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