Zeitschrift für Physik A Atoms and Nuclei

, Volume 281, Issue 3, pp 199–204

Isotope shift and HFS ofD1 lines in Na-22 and 23 measured by saturation spectroscopy

  • K. Pescht
  • H. Gerhardt
  • E. Matthias


High resolution saturation spectroscopy was applied to measure the relative isotope shift of theD1 lines in radioactive22Na against23Na in vapour cells. The result,δν=758.5(7) MHz, combined with other known values, indicates that the field shift is negligible in sodium isotopes. The hyperfine coupling constant of the2P1/2 level in22Na was found to be 37.0(1) MHz. A frequency offset locking technique is described which renders an accurate frequency calibration and achieves a long-term frequency stabilization.


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Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • K. Pescht
    • 1
  • H. Gerhardt
    • 1
  • E. Matthias
    • 1
  1. 1.Institut für Atom- und Festkörperphysik der Freien Universität BerlinDeutschland

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