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Growth and Luminescent Properties of NaGd(WO4)2:Yb3+ Crystals |
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| Authors: | Yu. K. Voron'ko E. V. Zharikov D. A. Lis A. A. Sobol' K. A. Subbotin S. N. Ushakov V. E. Shukshin S. Dröge |
| Affiliation: | (1) Russian Academy of Sciences, Research Center for Laser Materials and Technology, Prokhorov General Physics Institute, ul. Vavilova 38, Moscow, 119991, Russia;(2) Mendeleev University of Chemical Technology, Miusskaya pl. 9, Moscow, 125047, Russia;(3) University of Applied Sciences, Russia |
| 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 2F5/2 of the Yb3+ ion. |
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