Lifetime measurements in Yb II with time-resolved laser spectroscopy

Z.S. Li, S. Svanberg, P. Quinet, X. Tordoir and E. Biémont

J. Phys. B: At. Mol. Opt. Phys. 32, 1731 (1999)

Natural radiative lifetimes of 10 levels of singly ionized ytterbium have been measured with time-resolved laser spectroscopy. Free Yb ions were produced in a laser-induced plasma. A stimulated Brillouin Scattering (SBS) technique has been used to produce pulses as short as 1 ns for the excitation of short-lived Yb⁺ states. Pseudo-relativistic Hartree-Fock calculations, taking into account the core-polarization effects, have also been performed. A good agreement between the measured and the calculated lifetime values has been achieved.

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