Departure from linearity of fibre Bragg grating temperature coefficients

GMH Flockhart, WN MacPherson, JS Barton, JDC Jones, L Zhang, I Bennion

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

20 Citations (Scopus)

Abstract

We have measured the Bragg wavelength shift of three gratings from -30degreesC to +80degreesC. The observed deviation from linearity is a quadratic function of temperature, arising from the non-linear thermo-optic coefficient of silica glass.
Original languageEnglish
Title of host publicationOFS 2002
Subtitle of host publication15th Optical Fiber Sensors Conference Technical Digest
Place of PublicationNew York
PublisherIEEE
Pages75-78
Number of pages4
ISBN (Print)0780372891
Publication statusPublished - 2002
Event15th Optical Fiber Sensors Conference - Portland, United States
Duration: 6 May 200210 May 2002

Conference

Conference15th Optical Fiber Sensors Conference
CountryUnited States
CityPortland
Period6/05/0210/05/02

Keywords

  • sensors
  • glasses
  • strain
  • linearity
  • fibre Bragg grating
  • temperature coefficients

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