Research on propane leak detection system and device based on mid infrared laser

Meng Jiang; Xuefeng Wang; Junlong Wang; Yizhao Wang; Pan Li; Qiaoling Feng

doi:10.1117/12.2285574

25 October 2017 Research on propane leak detection system and device based on mid infrared laser

Meng Jiang, Xuefeng Wang, Junlong Wang, Yizhao Wang, Pan Li, Qiaoling Feng

Proceedings Volume 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications; 104641Y (2017) https://doi.org/10.1117/12.2285574
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

Propane is a key component of liquefied petroleum gas (LPG) and crude oil volatile. This issue summarizes the recent progress of propane detection technology. Meanwhile, base on the development trend, our latest progress is also provided. We demonstrated a mid infrared propane sensor system, which is based on wavelength modulation spectroscopy (WMS) technique with a CW interband cascade laser (ICL) emitting at 3370.4nm. The ICL laser scanned over a sharp feature in the broader spectrum of propane, and harmonic signals are obtained by lock-in amplifier for gas concentration deduction. The surrounding gas is extracted into the fine optical absorption cell through the pump to realize online detection. The absorption cell is designed in mid infrared windows range. An example experimental setup is shown. The second harmonic signals 2f and first harmonic signals1f are obtained. We present the sensor performance test data including dynamic precision and temperature stability. The propane detection sensor system and device is portable can carried on the mobile inspection vehicle platforms or intelligent robot inspection platform to realize the leakage monitoring of whole oil gas tank area.

Citation Download Citation

Meng Jiang, Xuefeng Wang, Junlong Wang, Yizhao Wang, Pan Li, and Qiaoling Feng "Research on propane leak detection system and device based on mid infrared laser", Proc. SPIE 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications, 104641Y (25 October 2017); https://doi.org/10.1117/12.2285574

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