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Proceedings Paper

Hydrogen performance of fiber Bragg grating hydrogen sensors using Pt-loaded WO3 coating as sensing materials
Author(s): Jixiang Dai; Minghong Yang; Zhi Yang; Zhi Li; Yao Wang; Yi Zhang; Zhi Zhuang
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Paper Abstract

A novel method was proposed to improve hydrogen sensitive performance of fiber Bragg grating (FBG) hydrogen sensor. The hydrogen performance of the sensor can be greatly improved by combing Pt/WO3 composite film annealed under 315°C for 1 h and temperature sensitive FBG. At room temperature of 25°C, FBG coated with Pt/WO3 composite film has 536 pm wavelength shift towards 10000 ppm hydrogen, and hydrogen detection threshold of FBG hydrogen sensor can reach to 200 ppm. The hydrogen performance of FBG hydrogen sensor was studied under different humidity, and ambient humidity has little effect on the hydrogen performance of FBG hydrogen sensor.

Paper Details

Date Published: 15 October 2013
PDF: 4 pages
Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 892433 (15 October 2013); doi: 10.1117/12.2031098
Show Author Affiliations
Jixiang Dai, Wuhan Univ. of Technology (China)
Minghong Yang, Wuhan Univ. of Technology (China)
Zhi Yang, Wuhan Univ. of Technology (China)
Zhi Li, Wuhan Univ. of Technology (China)
Yao Wang, Wuhan Univ. of Technology (China)
Yi Zhang, Institute of Structural Mechanics (China)
Zhi Zhuang, Institute of Structural Mechanics (China)


Published in SPIE Proceedings Vol. 8924:
Fourth Asia Pacific Optical Sensors Conference
Minghong Yang; Dongning Wang; Yun-Jiang Rao, Editor(s)

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