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Sensitive multi-species photoacoustic gas detection based on mid-infrared supercontinuum source and miniature multipass cell
Tommi Mikkonen, Tuomas Hieta, Goëry Genty +1
We report multipass broadband photoacoustic spectroscopy of trace gases in the mid-infrared. The measurement principle of the sensor relies on supercontinuum-based Fourier transfor…
Broadband cantilever-enhanced photoacoustic spectroscopy in the mid-IR using supercontinuum
Tommi Mikkonen, Caroline Amiot, Antti Aalto +3
We demonstrate cantilever-enhanced photoacoustic spectroscopy in the mid-infrared using a supercontinuum source. The approach is broadband, compact, and allows for higher photoacou…
Cavity enhanced absorption spectroscopy in the mid-infrared using a supercontinuum source
Caroline Amiot, Antti Aalto, Piotr Ryczkowski +2
We demonstrate incoherent broadband cavity enhanced absorption spectroscopy in the mid-infrared wave- length range from 3000 to 3450 nm using an all-fiber based supercontinuum sour…