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Proceedings Paper

Fibre gratings for hydrogen sensing
Author(s): Alain Trouillet; Emmanuel Marin; Colette Veillas
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Paper Abstract

Liquid hydrogen has been intensively used in aerospace applications during the past forty years and is of great interest for future automotive applications. Following upon major explosive risks due to the use of hydrogen in air, several studies were carried out in order to develop optical fibre sensors for the detection of hydrogen leakage. This communication is aimed towards the presentation of new sensors based on the use of Fibre Bragg Gratings (FBG) and Long Period Gratings (LPG). The sensing principle based on palladium-hydrogen interaction will be presented as well as experimental results with structures including FBG, LPG or in-series LPG. Detection parameters such as response time and sensitivity will be discussed versus temperature.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623648
Show Author Affiliations
Alain Trouillet, Jean Monnet Univ. Saint-Etienne (France)
Emmanuel Marin, Jean Monnet Univ. Saint-Etienne (France)
Colette Veillas, Jean Monnet Univ. Saint-Etienne (France)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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