Departure from linearity of fibre Bragg grating temperature coefficients

G.m.h. Flockhart, W.n. Macpherson, J.s. Barton, J.d.c. Jones, L. Zhang, I. Bennion

Research output: Chapter in Book/Published conference outputConference publication


We have measured the Bragg wavelength shift of three gratings from -30/spl deg/C to +80/spl deg/C. 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 publication2002 15th Optical Fiber Sensors Conference Technical Digest
ISBN (Print)0-7803-7289-1
Publication statusPublished - 7 Aug 2002


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