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Helmholtz resonator diode laser photoacoustic spectroscopy for trace gas analysis in the environment and the biosciences

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Abstract

We report Helmholtz resonator photoacoustic detection of CO2, H2S, and O2 with near-IR and visible diode lasers. First applications are introduced, including monitoring the aerobic metabolism of microbes and detection of H2S in natural gas.

© 2018 The Author(s)

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