期刊
PHOTONIC SENSORS
卷 4, 期 4, 页码 300-324出版社
SPRINGEROPEN
DOI: 10.1007/s13320-014-0215-y
关键词
Optical fiber sensors; hydrogen sensing; thin films; coatings
资金
- National Science Foundation of China, NSFC [60908020, 61290311]
- program for the New Century Excellent Talents in University [NCET-10-0664]
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.
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