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Proceedings Paper

Optic fiber used as sensor to measure low hydrogen concentrations
Author(s): M. Aleixandre; P. Corredera; M. L. Hernanz; J. Gutierrez-Monreal; M. J. Fernández; M. C. Horrillo; I. Sayago
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Paper Abstract

Optical fiber sensor have shown a great potential to become chemical sensors and have appropriate properties as long term stability, immune to electromagnetic radiation and multiplexing capability. In this work we present a way of measure the hydrogen present with just optic fiber as sensing device. The hydrogen enters the fiber following a diffusion behaviour. This hydrogen generates absorption peaks at several frequencies. We study that frequencies and determine witch ones are appropriate to use for a hydrogen sensor. We use the data collected to do a model of the fiber and simulate and validate that model with the experiments. We conclude the analysis with the advantages of that kind of sensor in a nuclear waste repository.

Paper Details

Date Published: 12 June 2007
PDF: 8 pages
Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 65930Y (12 June 2007); doi: 10.1117/12.724194
Show Author Affiliations
M. Aleixandre, Instituto de Física Aplicada (Spain)
P. Corredera, Instituto de Física Aplicada (Spain)
M. L. Hernanz, Instituto de Física Aplicada (Spain)
J. Gutierrez-Monreal, Instituto de Física Aplicada (Spain)
M. J. Fernández, Instituto de Física Aplicada (Spain)
M. C. Horrillo, Instituto de Física Aplicada (Spain)
I. Sayago, Instituto de Física Aplicada (Spain)

Published in SPIE Proceedings Vol. 6593:
Photonic Materials, Devices, and Applications II
Ali Serpengüzel; Gonçal Badenes; Giancarlo C. Righini, Editor(s)

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