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In-motion monitoring of atmospheric methane and ethane using a mid-infrared dual-gas simultaneous detection sensor
Author(s): Weilin Ye; Zihan Tu; Bo Zhou; Fupei Wu; Tao Wu; Zhidan Zheng; Chuantao Zheng
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Paper Abstract

For realize the atmospheric alkane gases detection in wide area and long distance, a dual-gas simultaneous methane and ethane detection sensor was demonstrated and conducted in Greater Houston area (GHA). A continuous-wave (CW) interband cascade laser (ICL) was used as the light source, a high-speed data acquisition card (DAQ) was used to sampling the detection signal, a LabVIEW based laptop platform incorporated signal generation, signal acquisition, harmonic extraction, concentration calculation and display. Response time considering sampling period, local wind and vehicle speeds are calculated, noise levels for mobile and laboratory operation on the CH4 and C2H6 sensor system are all evaluated. Concentration measurement of methane and ethane in one road was shown, as well as a 2-D concentration mapping result in one block, the varied relationship between these two kinds of gases was analyzed. This work provide the technology for detecting the leakage of alkane gases and monitoring the atmospheric gases.

Paper Details

Date Published: 20 December 2019
PDF: 4 pages
Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 112090P (20 December 2019); doi: 10.1117/12.2542881
Show Author Affiliations
Weilin Ye, Shantou Univ. (China)
Zihan Tu, Shantou Univ. (China)
Bo Zhou, Shantou Univ. (China)
Fupei Wu, Shantou Univ. (China)
Tao Wu, Shantou Univ. (China)
Zhidan Zheng, Shantou Univ. (China)
Chuantao Zheng, Jilin Univ. (China)


Published in SPIE Proceedings Vol. 11209:
Eleventh International Conference on Information Optics and Photonics (CIOP 2019)
Hannan Wang, Editor(s)

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