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

被引：20
|
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.
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页数：6
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