Communication Dans Un Congrès Année : 2022

High Precision, SI-traceable, Mid-Infrared Molecular Spectroscopy

H. Alvarez-Martinez
  • Fonction : Auteur

Résumé

We present SI-traceable mid-infrared highresolution saturated absorption spectroscopy measurements conducted on methanol. Resolutions of few hundreds of kilohertz and record sensitivities of a few kilohertz (10-10) on transition center frequencies are obtained in a multi-pass cell. Promising results have also been obtained in transmission of a 3-m long Fabry-Perot cavity yielding resolutions of a few tens of kilohertz which paves the way to the sub-kilohertz (10-12) level of vibrational frequency accuracy.

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Dates et versions

hal-03861460 , version 1 (19-11-2022)

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N. Cahuzac, Y. Liu, M. Saffre, E. Cantin, O. Lopez, et al.. High Precision, SI-traceable, Mid-Infrared Molecular Spectroscopy. 2022 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS), Apr 2022, Paris, France. pp.1-3, ⟨10.1109/EFTF/IFCS54560.2022.9850536⟩. ⟨hal-03861460⟩
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