Fibre gratings for hydrogen sensing

Alain Trouillet; Emmanuel Marin; Colette Veillas

doi:10.1117/12.623648

23 May 2005 Fibre gratings for hydrogen sensing

Alain Trouillet, Emmanuel Marin, Colette Veillas

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623648
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

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.

Citation Download Citation

Alain Trouillet, Emmanuel Marin, and Colette Veillas "Fibre gratings for hydrogen sensing", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623648

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