Cavity ring-down spectroscopy of methane in hypersonic Laval expansions

Eszter Dudás; Samir Kassi; Solène Perot; Christine Charles; Lucile Rutkowski; Robert Georges

doi:10.1364/CLEO_SI.2022.SF4O.3

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper SF4O.3
•https://doi.org/10.1364/CLEO_SI.2022.SF4O.3

Cavity ring-down spectroscopy of methane in hypersonic Laval expansions

Eszter Dudás, Samir Kassi, Solène Perot, Christine Charles, Lucile Rutkowski, and Robert Georges

CLEO: Science and Innovations 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Optical Methods for Chemical Sensing (SF4O)

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E. Dudás, S. Kassi, S. Perot, C. Charles, L. Rutkowski, and R. Georges, "Cavity ring-down spectroscopy of methane in hypersonic Laval expansions," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SF4O.3.

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Abstract

We report the study of the hot bands of methane in a vibrationally hot and rotationally cool environment. The near infrared transitions were measured usingcavity ring down spectroscopy in a molecular hypersonic expansion.

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