Laser measurement of intensity ratio anomalies in principal series doublets of caesium Rydberg states

Does the D1 line vanish?

J. M. Raimond, M. Gross, C. Fabre, S. Haroche, H. H. Stroke

    Research output: Contribution to journalArticle

    Abstract

    The authors have measured the anomalous ratio of the oscillator strengths in the principal series doublet lines of caesium for quantum numbers n=18 to 30. The light of a frequency-doubled tunable pulsed laser was absorbed by an atomic beam of caesium and the resonances were detected by the very sensitive field ionisation method. The results show a regular increase of the ratio rho of the D2 over D1 line strengths as a function of n. rho values in excess of 103 are obtained for n around 30. However, the analysis of the data rules out the possibility of a pole for rho (i.e. a disappearance of the D1 line) in the discrete spectrum. This experiment is in very good agreement with recent theoretical calculations.

    Original languageEnglish (US)
    Article number004
    JournalJournal of Physics B: Atomic and Molecular Physics
    Volume11
    Issue number24
    DOIs
    StatePublished - 1978

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    cesium
    anomalies
    atomic beams
    tunable lasers
    oscillator strengths
    quantum numbers
    lasers
    pulsed lasers
    poles
    ionization

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Laser measurement of intensity ratio anomalies in principal series doublets of caesium Rydberg states : Does the D1 line vanish? / Raimond, J. M.; Gross, M.; Fabre, C.; Haroche, S.; Stroke, H. H.

    In: Journal of Physics B: Atomic and Molecular Physics, Vol. 11, No. 24, 004, 1978.

    Research output: Contribution to journalArticle

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    abstract = "The authors have measured the anomalous ratio of the oscillator strengths in the principal series doublet lines of caesium for quantum numbers n=18 to 30. The light of a frequency-doubled tunable pulsed laser was absorbed by an atomic beam of caesium and the resonances were detected by the very sensitive field ionisation method. The results show a regular increase of the ratio rho of the D2 over D1 line strengths as a function of n. rho values in excess of 103 are obtained for n around 30. However, the analysis of the data rules out the possibility of a pole for rho (i.e. a disappearance of the D1 line) in the discrete spectrum. This experiment is in very good agreement with recent theoretical calculations.",
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    T2 - Does the D1 line vanish?

    AU - Raimond, J. M.

    AU - Gross, M.

    AU - Fabre, C.

    AU - Haroche, S.

    AU - Stroke, H. H.

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