Hydrogen performance of fiber Bragg grating hydrogen sensors using Pt-loaded WO3 coating as sensing materials

Jixiang Dai; Minghong Yang; Zhi Yang; Zhi Li; Yao Wang; Yi Zhang; Zhi Zhuang

doi:10.1117/12.2031098

15 October 2013 Hydrogen performance of fiber Bragg grating hydrogen sensors using Pt-loaded WO₃ coating as sensing materials

Jixiang Dai, Minghong Yang, Zhi Yang, Zhi Li, Yao Wang, Yi Zhang, Zhi Zhuang

Author Affiliations +

Proceedings Volume 8924, Fourth Asia Pacific Optical Sensors Conference; 892433 (2013) https://doi.org/10.1117/12.2031098
Event: Asia Pacific Optical Sensors Conference 2013, 2013, Wuhan, China

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.

Citation Download Citation

Jixiang Dai, Minghong Yang, Zhi Yang, Zhi Li, Yao Wang, Yi Zhang, and Zhi Zhuang "Hydrogen performance of fiber Bragg grating hydrogen sensors using Pt-loaded WO₃ coating as sensing materials", Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 892433 (15 October 2013); https://doi.org/10.1117/12.2031098

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