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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Malakhovskii A. V., Sukhachev A. L., Temerov V. L., Krylov A. S., Bovina A. F., Aleksandrovsky A. S.
Заглавие : Spectroscopic properties of HoAl3(BO3)4 single crystal
Коллективы : Ministry of Education and Science of the Russian Federation for Siberian Federal University; Russian Foundation for Basic Research Grants [12-02-00026, 14-02-00219, 13-02-00825]; Russian President Grant [SS-2886.2014.2]; SB RAS Project [43]
Место публикации : Opt. Mater.: Elsevier Science, 2014. - Vol. 37. - P.257–261. - ISSN 0925, DOI 10.1016/j.optmat.2014.05.036. - ISSN 18731252 (eISSN)
Примечания : Cited References: 30. - The work was supported by Grant of the Ministry of Education and Science of the Russian Federation for Siberian Federal University, the Russian Foundation for Basic Research Grants 12-02-00026, 14-02-00219 and 13-02-00825, by the Russian President Grant SS-2886.2014.2, and by SB RAS Project No. 43.
Предметные рубрики: RARE-EARTH IONS
OPTICAL-PROPERTIES
Ho3+ IONS
ABSORPTION
INTENSITIES
EMISSION
GLASSES
SPECTRA
LUMINESCENCE
PARAMETERS
Ключевые слова (''Своб.индексиров.''): absorption--luminescence--holmium--huntite--judd-ofelt
Аннотация: The Judd–Ofelt theory has been applied to analyze absorption spectra of Ho3+ ion in HoAl3(BO3)4 measured in spectral range 300–700 nm at room temperature. The Judd–Ofelt spectroscopic parameters have been determined as: Ω2 = 18.87 x 10 -20 cm2, Ω4 = 17.04 x 10 -20 cm2, Ω6 = 9.21 x 10 -20 cm2. These parameters have been used to calculate radiative lifetimes and branching ratios of the luminescence manifolds. Three luminescent bands were found in the spectral range 450–700 nm ascribed to transitions from the 5F5, (5F4, 5S2) and 3K8 states to the ground state 5I8. Experimental intensities of these luminescence transitions were compared with those calculated by using Judd–Ofelt theory and the system of kinetic equations for populations of starting luminescing states. Probabilities of radiativeless transitions were evaluated from this comparison.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Malakhovskii A. V., Sokolov A. E., Temerov V. L., Bezmaternykh L. N., Sukhachev A. L., Seredkin V. A., Gnatchenko S. L., Kachur I. S., Piryatinskaya V. G.
Заглавие : Polarized absorption spectra and spectroscopic parameters of Tm3+ in the TmAl3(BO3)(4) single crystal
Разночтения заглавия :авие SCOPUS: Polarized absorption spectra and spectroscopic parameters of Tm 3+ in the TmAl3(BO3)4 single crystal
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2008. - Vol. 50, Is. 7. - P1287-1293. - ISSN 1063-7834, DOI 10.1134/S1063783408070159
Примечания : Cited References: 36
Предметные рубрики: RARE-EARTH IONS
ELECTRONIC ENERGY LEVELS
DIODE-PUMPED LASER
OPTICAL-ABSORPTION
ALUMINUM GARNET
MU-M
INTENSITIES
FLUORESCENCE
GLASSES
OXIDE
Аннотация: High-optical-quality single crystals of the TmAl3(BO3)(4) compound were synthesized from a solution in the melt. The absorption spectra in the sigma and pi polarizations for the H-3(6) - F-3(4), H-3(6) - H-3(5), H-3(6) - H-3(4), H-3(6) - F-3(3), H-3(6) - F-3(2), H-3(6) - (1)G(4), and H-3(6) - D-1(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: Omega(2) = 6.14 x 10(-20) cm(2), Omega(4) = 3.09 x 10(-20) cm(2), and Omega(6) = 2.04 x 10(-20) cm(2). The lifetimes and the branching ratios were determined for all possible transitions.
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