High resolution far infrared laboratory spectroscopy of transient species: application to the SO radical (X<sup>3</sup>Σ)

Martin‐Drumel, Marie‐Aline; Pirali, Olivier; Eliet, Sophie; Cuisset, Arnaud

doi:10.1051/eas/1258045

Cited by 1 publication

(1 citation statement)

References 13 publications

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“…The pure rotational transitions of SO were already observed in the THz region in 1994 by Cazzoli et al [142]. For instance, in one study, 102 rotational transitions were recorded for SO in the frequency range of 1.3-2.8 THz [143]. Several spectroscopic studies have also been performed on SO isotopes [144] where the two most abundant isotopologues, 34 SO and 33 SO, showed 48 transitions up to 1.388 THz and 21 transitions up to 978 GHz, respectively.…”

Section: Sulphidesmentioning

confidence: 79%

Analytical Gas Sensing in the Terahertz Spectral Range

Abina,

Puc,

Jazbinšek

et al. 2023

Micromachines

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Exploiting the terahertz (THz) part of the electromagnetic spectrum is attracting attention in various scientific and applied disciplines worldwide. THz technology has also revealed its potential as an effective tool for gas analysis in astronomy, biomedicine and chemical analysis. Recently, it has also become important in environmental applications for monitoring hazardous and toxic gases in the atmosphere. This paper gives an overview of THz gas detection analytical methods for environmental and biomedical applications, starting with a brief introduction to THz technology and an explanation of the interaction of THz radiation with gaseous species and the atmosphere. The review focuses on several gaseous species and groups of air pollutants that have been or can be analysed by THz spectrometry. The review concludes that different but complementary THz detection methods allow unique detection, identification and quantification of gaseous and particulate air pollutants with high selectivity, specificity and sensitivity. THz detection methods also allow further technological improvements and open new application possibilities.

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