Article Dans Une Revue Proceedings of SPIE, the International Society for Optical Engineering Année : 2007

Temperature compensation technique for Bragg gratings in microstructured optical fibers for sensing applications

Résumé

The thermal drift of the characteristic wavelength of a Fiber Bragg Grating photowritten in the core of an 18-holemicrostructured 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.

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hal-01282828 , version 1 (25-02-2026)

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Minh Chau Phan Huy, Guillaume Laffont, Véronique Dewinter-Marty, Pierre Ferdinand, Dominique Pagnoux, et al.. Temperature compensation technique for Bragg gratings in microstructured optical fibers for sensing applications. Proceedings of SPIE, the International Society for Optical Engineering, 2007, proceedings of European Workshop on Optical Sensors, 6619, pp.661930-1. ⟨10.1117/12.738578⟩. ⟨hal-01282828⟩
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