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

被引：1

作者：

Yang, Yuanhong ^{[1
]}

Yang, Fuling ^{[1
]}

Wang, Huan ^{[1
]}

Diao, Xungang ^{[2
]}

Liu, Qirong ^{[2
]}

机构：

[1] Beihang Univ, Sch Instrumentat Sci & Optoelect Engn, Dept Optoelect Engn, Beijing 100191, Peoples R China

[2] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China

来源：

23RD INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS | 2014年 / 9157卷

关键词：

hydrogen sensor; photonic crystal fiber; facing target sputtering; Pd/Ag composite film; FEMTOSECOND LASER; FILM;

D O I：

10.1117/12.2059716

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：4

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