Improved sensitivity of tunable far-infrared spectroscopy: application to the detection of HBr in the v=1 state (Articolo in rivista)

Type
Label
  • Improved sensitivity of tunable far-infrared spectroscopy: application to the detection of HBr in the v=1 state (Articolo in rivista) (literal)
Anno
  • 1997-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/AO.36.005822 (literal)
Alternative label
  • DeNatale, P; Lorini, L; Inguscio, M; DiLonardo, G; Fusina, L; Ade, PAR; Murray, AG (1997)
    Improved sensitivity of tunable far-infrared spectroscopy: application to the detection of HBr in the v=1 state
    in Applied optics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • DeNatale, P; Lorini, L; Inguscio, M; DiLonardo, G; Fusina, L; Ade, PAR; Murray, AG (literal)
Pagina inizio
  • 5822 (literal)
Pagina fine
  • 5826 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 24 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Florence; University of Florence; University of Bologna; Queen Mary University London (literal)
Titolo
  • Improved sensitivity of tunable far-infrared spectroscopy: application to the detection of HBr in the v=1 state (literal)
Abstract
  • We report the first detection of the pure rotational spectra of (HBr)-Br-79 and (HBr)-Br-81 in , the first excited vibrational state at room temperature. We recorded the spectra with a tunable far-infrared spectrometer equipped with an optimized Ge:Ga photodetector and an improved multiple-pass gas cell to enhance the overall sensitivity. In particular, a minimum detectable absorption of better than 10(-7) cm(-1) was achieved. We measured a total of 60 frequencies for the two isotopomers with an accuracy of a few parts in 10(8). The hyperfine structure was observed at the lower J values. The derived spectroscopic parameters, which include nuclear and quadrupole hyperfine constants, reproduce the assigned transitions within their experimental errors. (C) 1997 Optical Society of America. (literal)
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