20 February 2018 Broadband external cavity quantum cascade laser based sensor for gasoline detection
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Abstract
A new type of tunable diode spectroscopy sensor based on an external cavity quantum cascade laser (ECQCL) and a quartz crystal tuning fork (QCTF) were used for quantitative analysis of volatile organic compounds. In this work, the sensor system had been tested on different gasoline sample analysis. For signal processing, the self-established interpolation algorithm and multiple linear regression algorithm model were used for quantitative analysis of major volatile organic compounds in gasoline samples. The results were very consistent with that of the standard spectra taken from the Pacific Northwest National Laboratory (PNNL) database. In future, The ECQCL sensor will be used for trace explosive, chemical warfare agent, and toxic industrial chemical detection and spectroscopic analysis, etc.
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Junya Ding, Junya Ding, Tianbo He, Tianbo He, Sheng Zhou, Sheng Zhou, Jinsong Li, Jinsong Li, } "Broadband external cavity quantum cascade laser based sensor for gasoline detection", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106970W (20 February 2018); doi: 10.1117/12.2309760; https://doi.org/10.1117/12.2309760
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