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Mid-infrared dual-comb spectroscopy for high-speed chemical kinetics measurements in a shock tube

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Abstract

We report high-speed measurements of chemical kinetics reactions inside a shock tube using a 1-GHz repetition rate mid-infrared dual-comb spectrometer. We show formation of formaldehyde and sub-sequent decomposition to carbon-monoxide with 17.5 μs time resolution.

© 2023 The Author(s)

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