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Proceedings Paper

Temperature compensation technique for Bragg gratings in microstructured optical fibers for sensing applications
Author(s): Minh Châu Phan Huy; Guillaume Laffont; Véronique Dewynter; Pierre Ferdinand; Dominique Pagnoux; Philippe Roy; Bernard Dussardier; Wilfried Blanc
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Paper Abstract

The thermal drift of the characteristic wavelength of a Fiber Bragg Grating photowritten in the core of an 18-hole-microstructured fiber is significantly reduced by inserting a liquid of suitable refractive index into its holes. The maximum sensitivity is reduced, and the spectral range of variations is divided by a factor of 8, over a temperature range larger than 20°C. Such passive FBG temperature compensation technique is of great interest for applications involving accurate sensing free of thermal effects.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661930 (2 July 2007); doi: 10.1117/12.738578
Show Author Affiliations
Minh Châu Phan Huy, CEA LIST, Ctr. d'Etudes de Saclay (France)
Guillaume Laffont, CEA LIST, Ctr. d'Etudes de Saclay (France)
Véronique Dewynter, CEA LIST, Ctr. d'Etudes de Saclay (France)
Pierre Ferdinand, CEA LIST, Ctr. d'Etudes de Saclay (France)
Dominique Pagnoux, Xlim, CNRS, Univ. de Limoges (France)
Philippe Roy, Xlim, CNRS, Univ. de Limoges (France)
Bernard Dussardier, LPMC/FOA, CNRS, Univ. de Nice Sophia Antipolis (France)
Wilfried Blanc, LPMC/FOA, CNRS, Univ. de Nice Sophia Antipolis (France)


Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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