A compact hydrogen sensor based on the fiber-optic Fabry-Perot interferometer

被引：25

作者：

Zhou, Xinlei ^{[1
]}

Ma, Fengxiang ^{[2
]}

Ling, Haitao ^{[1
]}

Yu, Binjun ^{[1
]}

Peng, Wei ^{[3
]}

Yu, Qingxu ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Optoelect Engn & Instrumentat Sci, Dalian 116024, Peoples R China

[2] State Grid Anhui Elect Power Co Ltd, Elect Power Res Inst, Hefei 230601, Anhui, Peoples R China

[3] Dalian Univ Technol, Sch Phys, Dalian 116024, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2020年 / 124卷

基金：

中国国家自然科学基金;

关键词：

Hydrogen sensors; Fiber-optic; Fabry-perot interferometer; Pd film; PRESSURE;

D O I：

10.1016/j.optlastec.2019.105995

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an optical fiber hydrogen sensor based on the Fabry-Perot interferometer formed by inserting two ceramic ferrules, one with a flat fiber end facet and the other with a commercial Pd film on their tip, into a matched ceramic sleeve. The response time and sensitivity of the proposed hydrogen sensor are investigated both theoretically and experimentally. A response time of 185 s and a sensitivity of 1.44 nm/% have been obtained. In addition, the resolution and repeatability are investigated experimentally. A resolution of 500 ppm and a good repeatability have been demonstrated. The proposed sensor is compact, easy in fabrication, low cost and has a high potential for hydrogen detection.

引用

页数：6

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