All-optical fiber multi-point photoacoustic spectroscopic gas sensing system

Zhang, Congzhe and Yang, Yuanhong and Lin, Yuechuan and Tan, Yanzhen and Lengden, Michael and Humphries, Gordon and Johnstone, Walter and Lut Ho, Hoi and Jin, Wei; (2018) All-optical fiber multi-point photoacoustic spectroscopic gas sensing system. In: Proceedings 26th International Conference on Optical Fiber Sensors. Optical Society of America, CHE. ISBN 9781943580507 (https://doi.org/10.1364/OFS.2018.WF17)

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Abstract

An all-optical fiber multi-point photoacoustic spectroscopy gas sensing system is presented. The system can operate up to ten sensing points with a 1 ppm level C2H2 detection sensitivity for each sensor.