Detection Of Trace Amounts Of Volatile Organic Compounds Via Laser-Induced Condensation

V. Shumakova,Mary Matthews,T. Balciunas,S. Ališauskas,Elise Schubert,Audrius Pugzlys,Andrius Baltuska,Jérôme Kasparian,Jean-Pierre Wolf

2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2018）

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摘要

We present laser-induced condensation as a method for detecting of ultra-low concentrations of volatile organic compounds featuring a detection threshold well below 1 ppb. The method was tested in lab scale experiments and compared with quantitative photo-ionization detection measurements. The method was shown to be sensitive to the laser excitation wavelength between 1.6 - 2.0 mu m range.

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关键词

volatile organic compounds,laser excitation wavelength,laser-induced condensation,quantitative photoionization detection measurements,ultralow concentration detection method,trace amount detection

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