Applied Physics B

, Volume 92, Issue 4, pp 567–571

Excited state absorption, energy levels, and thermal conductivity of Er3+:YAB

  • N. A. Tolstik
  • G. Huber
  • V. V. Maltsev
  • N. I. Leonyuk
  • N. V. Kuleshov
Article

Abstract

Polarized excited state absorption spectra of Er, Yb:YAB are reported. The Stark levels of the 4I15/2, 4I13/2, and 4I11/2 multiplets of Er3+ have been derived from the measured low-temperature absorption and fluorescence spectra. The stimulated emission spectra have been calculated using the reciprocity method, and the radiative lifetime of the erbium 4I13/2 level has been determined indicating high nonradiative decay rates. The thermal conductivity of Er-Yb-codoped YAB crystals has been measured.

PACS

42.70.Hj 65.40.De 71.70.Ej 78.20.Ci 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • N. A. Tolstik
    • 1
  • G. Huber
    • 2
  • V. V. Maltsev
    • 3
  • N. I. Leonyuk
    • 3
  • N. V. Kuleshov
    • 1
  1. 1.Institute for Optical Materials and TechnologiesBelarussian National Technical UniversityMinskBelarus
  2. 2.Institute for Laser PhysicsHamburg UniversityHamburgGermany
  3. 3.Faculty of GeologyMoscow State UniversityMoscowRussia

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