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Proceedings Paper

Pd-coated fiber optic evanescent field hydrogen sensors
Author(s): Joel Villatoro; R. M. Petrick; M. Tabib-Azar; Alex A. Kazemi
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Paper Abstract

In this paper, new types of hydrogen fiber optic sensors are reported. Our sensors consist of multimode optical fiber with a thin palladium film deposited on a suitable length of the fiber core, and operate through evanescent field interactions. Different sensor configurations are discussed and experimental results for different hydrogen concentration are presented. It is shown that these kind of sensors are suitable for detecting hydrogen concentrations form 0.5% to 3% with high sensitivity and fast time response.

Paper Details

Date Published: 10 November 2005
PDF: 10 pages
Proc. SPIE 6004, Fiber Optic Sensor Technology and Applications IV, 60040K (10 November 2005); doi: 10.1117/12.651477
Show Author Affiliations
Joel Villatoro, Case Western Reserve Univ. (United States)
R. M. Petrick, Case Western Reserve Univ. (United States)
M. Tabib-Azar, Case Western Reserve Univ. (United States)
Alex A. Kazemi, The Boeing Co. (United States)


Published in SPIE Proceedings Vol. 6004:
Fiber Optic Sensor Technology and Applications IV
Michael A. Marcus; Brian Culshaw; John P. Dakin, Editor(s)

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