Article

Inorganic Materials

, Volume 39, Issue 12, pp 1308-1314

Growth and Luminescent Properties of NaGd(WO4)2:Yb3+ Crystals

  • Yu. K. Voron'koAffiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics Institute
  • , E. V. ZharikovAffiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics InstituteMendeleev University of Chemical Technology
  • , D. A. LisAffiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics InstituteMendeleev University of Chemical Technology
  • , A. A. Sobol'Affiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics Institute
  • , K. A. SubbotinAffiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics Institute
  • , S. N. UshakovAffiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics Institute
  • , V. E. ShukshinAffiliated withRussian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics Institute
  • , S. DrögeAffiliated withUniversity of Applied Sciences

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Abstract

Data are presented on the spectroscopic properties of Yb3+-activated NaGd(WO4)2, a disordered scheelite-like tungstate potentially attractive as a gain medium. NaGd(WO4)2:Yb3+ crystals are grown by the Czochralski technique. The polarized absorption and luminescence spectra and the luminescence decay kinetics of oriented samples with different Yb3+ concentrations are studied at 300 K. The gain coefficients are calculated for different populations of the upper lasing level 2F 5/2 of the Yb3+ ion.