Absolute 12C16O2 transition frequencies at the kHz-level from 1.6 to 7.8μm

D.A. Long, G. Truong, J.T. Hodges, C.E. Miller

    Research output: Contribution to journalArticle

    19 Citations (Scopus)

    Abstract

    Absolute transition frequencies were measured for a series of transitions in the (30013)←(00001) near-infrared 12C16O2 band. These measurements were referenced to a cesium atomic clock through the use of an optical frequency comb. Combined standard uncertainties as low as 18kHz (6×10-7cm-1) were achieved. Importantly, deviations as large as 5MHz were observed relative to the HITRAN 2008 database. These measurements were then included in a global fit of 416 CO2 mid-infrared and near-infrared measurements each of which was absolute. The resulting spectroscopic parameters provide a series of secondary frequency standards with kHz-level uncertainties across a wide frequency range and should significantly improve spectroscopic retrieval algorithms for space-based measurements of atmospheric CO2. © 2013.
    Original languageEnglish
    Pages (from-to)112-115
    JournalJournal of Quantitative Spectroscopy and Radiative Transfer
    Volume130
    DOIs
    Publication statusPublished - 2013

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    Infrared radiation
    Atomic clocks
    atomic clocks
    Frequency standards
    Cesium
    frequency standards
    cesium
    retrieval
    frequency ranges
    deviation
    Uncertainty

    Cite this

    Long, D.A. ; Truong, G. ; Hodges, J.T. ; Miller, C.E. / Absolute 12C16O2 transition frequencies at the kHz-level from 1.6 to 7.8μm. In: Journal of Quantitative Spectroscopy and Radiative Transfer. 2013 ; Vol. 130. pp. 112-115.
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    abstract = "Absolute transition frequencies were measured for a series of transitions in the (30013)←(00001) near-infrared 12C16O2 band. These measurements were referenced to a cesium atomic clock through the use of an optical frequency comb. Combined standard uncertainties as low as 18kHz (6×10-7cm-1) were achieved. Importantly, deviations as large as 5MHz were observed relative to the HITRAN 2008 database. These measurements were then included in a global fit of 416 CO2 mid-infrared and near-infrared measurements each of which was absolute. The resulting spectroscopic parameters provide a series of secondary frequency standards with kHz-level uncertainties across a wide frequency range and should significantly improve spectroscopic retrieval algorithms for space-based measurements of atmospheric CO2. {\circledC} 2013.",
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    Absolute 12C16O2 transition frequencies at the kHz-level from 1.6 to 7.8μm. / Long, D.A.; Truong, G.; Hodges, J.T.; Miller, C.E.

    In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 130, 2013, p. 112-115.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Absolute 12C16O2 transition frequencies at the kHz-level from 1.6 to 7.8μm

    AU - Long, D.A.

    AU - Truong, G.

    AU - Hodges, J.T.

    AU - Miller, C.E.

    PY - 2013

    Y1 - 2013

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