Gas Analysis with High-Resolution Fabry-Perot Spectrometry in the 550-650 GHz Range - Université du Littoral Côte d'Opale Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Terahertz Science and Technology Année : 2023

Gas Analysis with High-Resolution Fabry-Perot Spectrometry in the 550-650 GHz Range

Résumé

The development of a high finesse THz cavity has enabled the construction of a Fabry-Perot spectrometer. This approach can be applied to the THz frequencies (submillimeter wavelengths) allowing the rotational transitions to be probed. The intra-cavity power levels have permitted the sub-Doppler Lamb-dip profiles of ethanol to be observed. The quantification of a trace of H2S is demonstrated with a detection limit around 60 ppb.
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Dates et versions

hal-04219536 , version 1 (27-09-2023)

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Coralie Elmaleh, Fabien Simon, Arnaud Cuisset, Anthony Roucou, Francis Hindle, et al.. Gas Analysis with High-Resolution Fabry-Perot Spectrometry in the 550-650 GHz Range. IEEE Transactions on Terahertz Science and Technology, 2023, 13 (6), pp.633-635. ⟨10.1109/TTHZ.2023.3307586⟩. ⟨hal-04219536⟩

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