

Author: Voron'ko Yu. K. Zharikov E. V. Lis D. A. Sobol' A. A. Subbotin K. A. Ushakov S. N. Shukshin V. E. Dröge S.
Publisher: MAIK Nauka/Interperiodica
ISSN: 0020-1685
Source: Inorganic Materials, Vol.39, Iss.12, 2003-12, pp. : 1308-1314
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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 2
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