Magnetooptics of the 1 D 2 → 3 F 4 radiative transition in thulium:yttrium-aluminum garnet Tm3+:YAG
U. V. ValievPhysical Department, National University of Uzbekistan, Tashkent, 100174, UzbekistanJohn B. GruberDepartment of Physics and Astronomy, University of Texas, San Antonio, Texas, 78249-0697, USAI. R. GapdulkhakovPhysical Department, National University of Uzbekistan, Tashkent, 100174, UzbekistanNafisa Inoyatovna JuraevaPhysical Department, National University of Uzbekistan, Tashkent, 100174, UzbekistanA. K. MukhammadievPhysical Department, National University of Uzbekistan, Tashkent, 100174, UzbekistanSh. A. RakhimovPhysical Department, National University of Uzbekistan, Tashkent, 100174, UzbekistanI. S. ÉdelmanKirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia
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Annotatsiya
The spectra of luminescence and magnetic circular polarization of luminescence in the 1 D 2 → 3 F 4 emission band in thulium:yttrium-aluminum garnet Tm3+:YAG (Tm3+:Y3Al5O12) have been investigated at temperatures T = 78 and 293 K, respectively. Based on the analysis of the magnetooptical and optical spectra, the optical transitions between the Stark sublevels of the 3 F 4 and 1 D 2 multiplets in Tm3+:YAG were identified. It is shown that the symmetry and energies of the Stark sublevels of the 3 F 4, 1 D 2, and 3 H 6 multiplets, found experimentally from magnetic and magnetooptical studies, confirm the results of theoretical calculations of the energy spectrum of the rare earth Tm3+ ion in YAG.
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