Zobrazeno 1 - 10
of 23
pro vyhledávání: '"L. N. Dmitruk"'
Publikováno v:
Inorganic Materials. 49:953-956
We have studied glass-forming regions for ZBLAN-type hafnium fluoride-based glasses with the compositions (63–53)HfF4 · 20BaF2 · 4LaF3 · (1–3)InF3 · (0–20)NaF in which fluorine anions are partially replaced by chlorine and bromine anions. T
Autor:
Yu. K. Voron'ko, L. V. Moiseeva, V. A. Fedorov, O. B. Petrova, Andrey Popov, L. N. Dmitruk, M. N. Brekhovskikh
Publikováno v:
Inorganic Materials. 46:1391-1395
We have studied synthesis, glass formation, and crystallization processes in the oxychloride barium borate system BaO-B2O3-BaCl2 and determined the highest chlorine concentrations at which glasses can be prepared by mold casting for Ba: 2B ratios in
Publikováno v:
Inorganic Materials. 45:1477-1493
A review of the current studies on the synthesis, glass formation, structure, and optical properties of fluoride glasses in various glass-forming systems is presented. With a view to form and select active optical media for broad spectrum lasers, ext
Publikováno v:
Optics and Spectroscopy. 107:347-352
Barium borate glasses doped with complex Pb4Lu2YbF17 fluoride have been synthesized and investigated. Heat treatment produced glass ceramics containing the crystalline BaF2:Yb3+ phase. The changes in the structural and optical properties of the glass
Autor:
L. V. Moiseeva, L. N. Dmitruk, S. Kh. Batygov, V. A. Fedorov, O. B. Petrova, M. N. Brekhovskikh
Publikováno v:
Inorganic Materials. 43:793-796
We have studied the effect of In3+, Pb2+, Gd3+, and Cl (heavier ions) substitutions for Al3+, Ba2+, La3+, and F− on the crystallization stability and UV/IR optical properties of HBLAN fluorohafnatc glasses (HfF4-BaF2-LaF3-AlF3-NaF system). We obtai
Autor:
Sergey B. Mirov, Maxim E. Doroshenko, Marina V. Polyachenkova, Valery V. Badikov, D. V. Badikov, Vyacheslav V Osiko, L. N. Dmitruk, Tasoltan T. Basiev, K. K. Pukhov, O. K. Alimov, Yurii V. Orlovskii
Publikováno v:
Optical Materials. 29:1115-1128
Mid-IR Nd 3+ transitions perspective for laser oscillation were analyzed in the CaGa2S4, PbGa2S4, and PbCl2 crystals and compared with low phonon fluoride crystals. Fluorescence kinetics decay of the high-lying 4 G7/2 and 4 G5/2; 2 G7/2 and low-lying
Autor:
V. V. Osiko, L. N. Dmitruk, Boris I. Galagan, L. V. Moiseeva, V. A. Fedorov, M. N. Brekhovskikh
Publikováno v:
Glass Physics and Chemistry. 33:136-139
The glass formation and crystallization of ErI3-doped melts in the Ag-Cs-Pb-X (X = I, Br, Cl) are investigated in the section corresponding to the cation ratio Ag: Cs: Pb = 59: 39: 2 with ErI3 contents of 0.2–7.5 mol %. The glass transition, crysta
Autor:
Sergey N. Ushakov, A. V. Popov, O. B. Petrova, Vl. E. Shukshin, Yu. K. Voron'ko, L. N. Galaktionov, L. N. Dmitruk
Publikováno v:
Glass Physics and Chemistry. 32:47-51
Raman light scattering and Nd3+ luminescence are investigated in glasses based on rare-earth borates with a high content of the rare-earth oxide and subjected to annealing. It is established that, during annealing, structural relaxation brings about
Autor:
V. V. Osiko, L. V. Moiseeva, V. A. Fedorov, Boris I. Galagan, E. E. Sviridova, N. N. Vinogradova, M. N. Brekhovskikh, L. N. Dmitruk
Publikováno v:
Inorganic Materials. 41:654-657
Processes are described for the synthesis and melt growth of rare-earth-doped K2LaCl5, K2BaCl4, and K2SrCl4, using rare-earth oxides as starting materials. The solubility of rare-earth activators in Bridgman-grown crystals are determined, and the spe
Autor:
E. E. Sviridova, Boris I. Galagan, Yu. K. Danileiko, Tasoltan T. Basiev, N.N. Vinogradova, V. V. Osiko, L. N. Dmitruk, L. V. Moiseeva
Publikováno v:
Optical Materials. 25:295-299
This paper contains some details of the PbCl 2 :RECl 3 crystal growth process (RENd, Dy, Tb). The essential part of this process is the careful purification of both initial PbCl 2 and RECl 3 materials from non-isomorphic impurities, especially fro