Growth, refined structural and spectroscopic characteristics of Tm-doped NaGd(WO4)2 single crystals |
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| Authors: | FA Bolschikov GM Kuz&#x;micheva DA Lis YuM Papin AV Popov PA Ryabochkina VB Rybakov VG Senin VA Smirnov KA Subbotin YuK Voron&#x;ko VV Voronov EV Zharikov |
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| Institution: | aN.P. Ogarev Mordovian State University, Russia;bM.V. Lomonosov Moscow State Academy of Fine Chemical Technology, Russia;cA.M. Prokhorov General Physics Institute, Russian Academy of Sciences, Russia;dM.V. Lomonosov Moscow State University, Russia;eV.I. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Russia;fD.I. Mendeleyev University of Chemical Technology of Russia, Russia |
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| Abstract: | The details of Tm3+-doped NaGd(WO4)2 single-crystal growth are discussed, the results of precise investigations of its structural and spectroscopic characteristics, as well as the analysis of cross-relaxation process of Tm3+ ions (3H4→3F4, 3H6→3F4) in this crystal are presented. Based on the Judd–Ofelt theory, three intensity parameters, spontaneous emission probabilities, fluorescence branching ratios and fluorescence quantum efficiency from 3H4 and 3F4 levels were refined. |
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| Keywords: | A1 Crystal structure A2 Czochralski method B1 Thulium compounds B1 Tungstates B3 Solid state lasers |
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