Optical fiber hydrogen sensor based on polarization-maintaining photonic crystal fiber

Yuanhong Yang; Fuling Yang; Huan Wang; Xungang Diao; Qirong Liu

doi:10.1117/12.2059716

2 June 2014 Optical fiber hydrogen sensor based on polarization-maintaining photonic crystal fiber

Yuanhong Yang, Fuling Yang, Huan Wang, Xungang Diao, Qirong Liu

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91578Q (2014) https://doi.org/10.1117/12.2059716
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

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.

Citation Download Citation

Yuanhong Yang, Fuling Yang, Huan Wang, Xungang Diao, and Qirong Liu "Optical fiber hydrogen sensor based on polarization-maintaining photonic crystal fiber", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91578Q (2 June 2014); https://doi.org/10.1117/12.2059716

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