Polarized absorption spectra and spectroscopic parameters of Tm3+ in the TmAl3(BO3)4 single crystal |
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| Authors: | A V Malakhovskiĭ A É Sokolov V L Temerov L N Bezmaternykh A L Sukhachev V A Seredkin S L Gnatchenko I S Kachur V G Piryatinskaya |
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| Institution: | (1) Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia;(2) Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, pr. Lenina 47, Kharkov, 61103, Ukraine |
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| Abstract: | High-optical-quality single crystals of the TmAl3(BO3)4 compound were synthesized from a solution in the melt. The absorption spectra in the σ and π polarizations for the 3 H 6 → 3 F 4, 3 H 6 → 3 H 5, 3 H 6 → 3 H 4, 3 H 6 → 3 F 3, 3 H 6 → 3 F 2, 3 H 6 → 1 G 4, and 3 H 6 → 1 D 2 transitions in the Tm3+ ion were recorded at room temperature. The transition intensities were analyzed in the framework of the Judd-Ofelt theory generalized to the case of anisotropic crystals, and the following parameters of the theory were obtained: Ω2 = 6.14 × 10?20 cm2, Ω4 = 3.09 × 10?20 cm2, and Ω6 = 2.04 × 10?20 cm2. The lifetimes and the branching ratios were determined for all possible transitions. |
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