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Proceedings Paper

Optical fiber hydrogen sensor based on polarization-maintaining photonic crystal fiber
Author(s): Yuanhong Yang; Fuling Yang; Huan Wang; Xungang Diao; Qirong Liu
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Paper Abstract

An intrinsic optical fiber hydrogen sensor based on polarization-maintaining photonic crystal fiber (PM-PCF) Sagnac interferometer was proposed. The facing target sputtering technique with special Pd/Ag plate target structure was developed to deposit Pd/Ag composite film on PM-PCF. The characteristic of Pd/Ag film was measured and analyzed. An experimental setup for hydrogen sensing was built. The wavelength at different hydrogen concentration and the temperature interference were tested. The results showed the sensitivity was higher at low concentration range and good repeatability was obtained within measuring range of 4%. And the temperature affect was weak with special PM-PCF.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91578Q (2 June 2014); doi: 10.1117/12.2059716
Show Author Affiliations
Yuanhong Yang, BeiHang Univ. (China)
Fuling Yang, BeiHang Univ. (China)
Huan Wang, BeiHang Univ. (China)
Xungang Diao, BeiHang Univ. (China)
Qirong Liu, BeiHang Univ. (China)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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