Sensitive multi-species photoacoustic gas detection based on mid-infrared supercontinuum source and miniature multipass cell

Tommi Mikkonen, Tuomas Hieta, Goëry Genty, Juha Toivonen
2022 Physical Chemistry, Chemical Physics - PCCP  
We report multipass broadband photoacoustic spectroscopy of trace gases in the mid-infrared. The measurement principle of the sensor relies on supercontinuum-based Fourier transform photoacoustic spectroscopy (FT-PAS), in which a scanning...
doi:10.1039/d2cp01731h pmid:35929451 fatcat:6gicu2nmine3dihjpjygyxgixe