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H2S photoacoustic detection with an integrated THz gas sensor for food quality control. H2S photoacoustic detection with an integrated THz gas sensor for food quality control: [Invited]
Archive ouverte : Communication dans un congrès
oral session Spectroscopy/Gas phase spectroscopy 6. International audience. THz photoacoustic (PA) detection of H 2 S gas concentrations on the order of 200 ppm using a Poly-Si membrane as a PA microphone is reported. This result is a first step towards the demonstration of a fully integrated THz PA gas sensor with an expected sensitivity of 10’s of ppb.