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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 13 — May. 1, 2004
  • pp: 2744–2751

Quadratic Behavior of Fiber Bragg Grating Temperature Coefficients

Gordon M. H. Flockhart, Robert R. J. Maier, James S. Barton, William N. MacPherson, Julian D. C. Jones, Karen E. Chisholm, Lin Zhang, Ian Bennion, Ian Read, and Peter D. Foote  »View Author Affiliations


Applied Optics, Vol. 43, Issue 13, pp. 2744-2751 (2004)
http://dx.doi.org/10.1364/AO.43.002744


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Abstract

We describe the characterization of the temperature and strain responses of fiber Bragg grating sensors by use of an interferometric interrogation technique to provide an absolute measurement of the grating wavelength. The fiber Bragg grating temperature response was found to be nonlinear over the temperature range −70 °C to 80 °C. The nonlinearity was observed to be a quadratic function of temperature, arising from the linear dependence on temperature of the thermo-optic coefficient of silica glass over this range, and is in good agreement with a theoretical model.

© 2004 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2400) Fiber optics and optical communications : Fiber properties
(230.1480) Optical devices : Bragg reflectors

Citation
Gordon M. H. Flockhart, Robert R. J. Maier, James S. Barton, William N. MacPherson, Julian D. C. Jones, Karen E. Chisholm, Lin Zhang, Ian Bennion, Ian Read, and Peter D. Foote, "Quadratic Behavior of Fiber Bragg Grating Temperature Coefficients," Appl. Opt. 43, 2744-2751 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-13-2744

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