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Resonantly enhanced two-photon excitation of sodium atoms in a heat pipe

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

We report the results of a study of two-color laser excitation, ω1 + ω2, in dense sodium vapor where ω1 was tuned in the vicinity of the 3P fine structure doublet and ω2 was tuned to highernl states. Resonant excitation by ω2 of higherns andnd states from one member of the 3P doublet when ω1 is tuned near the other is attributed to collisional excitation transfer. Anomalous dipole forbiddenp-p transitions are observed when ω2 is tuned to highnP states (≥20) and are believed to be DC electric field induced. Sample spectra for the processes considered are calculated and compared with experiment.

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Author notes

  1. J. A. D. Stockdale

    Present address: Lawrence Livermore National Laboratory L-464, P.O. Box 808, 94550, Livermore, CA, USA

Authors and Affiliations

  1. Department of Physics, University of Southern California, 90089-0484, Los Angeles, CA, USA

    J. Zhang & P. Lambropoulos

  2. Department of Chemistry, Ripon college, 54971, Ripon, WI, USA

    D. Zei

  3. Chemical Physics Section, Health and Safety Research Division, Oak Ridge National Laboratory, 37831-6125, Oak Ridge, TN, USA

    R. N. Compton & J. A. D. Stockdale

  4. the Foundation for Research and Technology — Hellas, Institute of Electronic Structure & Laser, Heraklion 71110, P.O. Box 1527, Crete, Greece

    P. Lambropoulos

  5. Department of Physics, University of Crete, USA

    P. Lambropoulos

  6. the Chemistry Department, The University of Tennessee, 37996, Knoxville, TN, USA

    R. N. Compton

Authors
  1. J. Zhang
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  2. P. Lambropoulos
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  3. D. Zei
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  4. R. N. Compton
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  5. J. A. D. Stockdale
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Additional information

Research sponsored on part by the Office of Health and Environmental Research, U.S. Department of Energy under contract DE-AC05-84OR21400 with Martin Marietta Energy Systems, Inc. and in part by the National Science Foundation under Grant No. PHY-9013434 and by the Department of Energy under Grant No. DE-FG03-87ER60504

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Zhang, J., Lambropoulos, P., Zei, D. et al. Resonantly enhanced two-photon excitation of sodium atoms in a heat pipe. Z Phys D - Atoms, Molecules and Clusters 23, 219–225 (1992). https://doi.org/10.1007/BF01437398

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  • DOI: https://doi.org/10.1007/BF01437398

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