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Review | Open Access

Fiber Optic Hydrogen Sensors: a Review

Minghong YANG( ), Jixiang DAI
National Engineering Laboratory for Optical Fiber Sensing Technologies, Wuhan University of Technology, Wuhan, 430070, China
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Abstract

Hydrogen is one of the next generation energies in the future, which shows promising applications in aerospace and chemical industries. Hydrogen leakage monitoring is very dangerous and important because of its low ignition energy, high combustion efficiency, and smallest molecule. This paper reviews the state-of-art development of the fiber optic hydrogen sensing technology. The main developing trends of fiber optic hydrogen sensors are based on two kinds of hydrogen sensitive materials, i.e. palladium-alloy thin films and Pt-doped WO3 coatings. In this review work, the advantages and disadvantages of these two kinds of sensing technologies will be evaluated.

Keywords

Optical fiber sensorshydrogen sensingthin filmscoatings

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Photonic Sensors
Volume 4 Issue 4,
December 2014
Pages 300-324
DOI: 10.1007/s13320-014-0215-y

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YANG M, DAI J. Fiber Optic Hydrogen Sensors: a Review. Photonic Sensors, 2014, 4(4): 300-324. https://doi.org/10.1007/s13320-014-0215-y

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Received: 31 August 2014
Revised: 12 September 2014
Published: 08 October 2014
© The Author(s) 2014.

This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.