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Line-shape of dark line and maser emission profile in CPT

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The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics Aims and scope Submit manuscript

Abstract:

The paper is concerned with the line shapes of resonance phenomena observed in Coherent Population Trapping (CPT) applied to alkali atoms in a cell containing a buffer gas. Significant asymmetries and departures from a Lorentzian shape have been observed in connection with the measurement of dark lines and CPT maser emission profiles. Measurements are reported as a function of the power and frequency tuning of the laser used to create the CPT phenomenon. The paper reports on different experimental conditions and a comparison between theory and experiments is made for the cases of cesium and rubidium in a buffer gas.

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Authors and Affiliations

  1. Istituto elettrotecnico Nazionale “G. Ferraris”, Str. delle Cacce 91, 10135 Torino, Italy, , , , , , IT

    F. Levi & A. Godone

  2. Département de Physique, Université de Montréal, Montréal, QUE, Canada, , , , , , CA

    J. Vanier

  3. Politecnico di Torino, C.so duca degli Abruzzi 27, Torino, Italy, , , , , , IT

    S. Micalizio

  4. Università di Firenze, LENS, Largo E. Fermi 2, Firenze, Italy, , , , , , IT

    G. Modugno

Authors
  1. F. Levi
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  2. A. Godone
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  3. J. Vanier
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  4. S. Micalizio
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  5. G. Modugno
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Additional information

Received 3 March 2000 and Received in final form 10 April 2000

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Levi, F., Godone, A., Vanier, J. et al. Line-shape of dark line and maser emission profile in CPT. Eur. Phys. J. D 12, 53–59 (2000). https://doi.org/10.1007/s100530070042

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  • DOI: https://doi.org/10.1007/s100530070042

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