Search Results - "Loiko, P A"

Influence of NiO on phase transformations and optical properties of ZnO–Al2O3–SiO2 glass–ceramics nucleated by TiO2 and ZrO2. Part II. Optical absorption and luminescence by Loiko, P.A., Dymshits, O.S., Zhilin, A.A., Alekseeva, I.P., Yumashev, K.V.

“…Absorption and luminescence of nickel-containing ZnO–Al2O3–SiO2 glasses and glass–ceramics nucleated by TiO2 and ZrO2 were investigated for variable NiO…”
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Influence of NiO on phase transformations and optical properties of ZnO–Al2O3–SiO2 glass-ceramics nucleated by TiO2 and ZrO2. Part I. Influence of NiO on phase transformations of ZnO–Al2O3–SiO2 glass-ceramics nucleated by TiO2 and ZrO2 by Alekseeva, I.P., Dymshits, O.S., Golubkov, V.V., Loiko, P.A., Tsenter, M.Ya, Yumashev, K.V., Zapalova, S.S., Zhilin, A.A.

“…The influence of NiO addition (from 0.1 up to 3mol%) on structure and phase transformations of zinc aluminosilicate glasses nucleated by a mixture of TiO2 and…”
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14 W high-efficiency diode-pumped cw Yb:KGd(WO4)2 laser with low thermo-optic aberrations by LOIKO, P. A, KISEL, V. E, KONDRATUK, N. V, YUMASHEV, K. V, KULESHOV, N. V, PAVLYUK, A. A

“…A comparative experimental study of thermal lensing effect was performed for diode-pumped Yb3+-doped Y3Al5O12 and Ng-cut KGd(WO4)2 crystals under cw…”
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Optical properties of novel PbS and PbSe quantum-dot-doped alumino-alkali-silicate glasses by Loiko, P.A., Rachkovskaya, G.E., Zacharevich, G.B., Gurin, V.S., Gaponenko, M.S., Yumashev, K.V.

“…Lead sulfide PbS and lead selenide PbSe quantum dots (QDs) were synthesized in novel alumino-alkali-silicate glass. The synthesis of the nanocrystals was…”
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Thermo-optic properties of Yb:Lu2O3 single crystals by Loiko, P. A., Yumashev, K. V., Schödel, R., Peltz, M., Liebald, C., Mateos, X., Deppe, B., Kränkel, C.

“…A detailed study of thermo-optic properties of 1.5 at.% Yb:Lu 2 O 3 single crystal is performed. Thermo-optic dispersion formulas are derived for d n /d T…”
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Passive Q-switching of Yb bulk lasers by a graphene saturable absorber by Loiko, P. A., Serres, J. M., Mateos, X., Liu, J., Zhang, H., Yasukevich, A. S., Yumashev, K. V., Petrov, V., Griebner, U., Aguiló, M., Díaz, F.

“…Compact Yb:KLu(WO 4 ) 2 and Yb:LuVO 4 lasers diode-pumped at 978 nm are passively Q-switched by a single-layer graphene saturable absorber. The Yb:KLu(WO 4 ) 2…”
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Cooperative up-conversion in Eu3+,Yb3+-doped SiO2–PbO–PbF2–CdF2 oxyfluoride glass by Loiko, P.A., Rachkovskaya, G.E., Zakharevich, G.B., Kornienko, A.A., Dunina, E.B., Yasukevich, A.S., Yumashev, K.V.

“…Novel oxyfluoride glass doped with YbF3 and Eu2O3 is synthesized in the SiO2–PbO–PbF2–CdF2 system by melt-quenching technique. Its physical properties, as well…”
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Thermal lens study in diode pumped Ng- and Np-cut Nd:KGd(WO4)2 laser crystals by Loiko, P A, Yumashev, K V, Kuleshov, N V, Savitski, V G, Calvez, S, Burns, D, Pavlyuk, A A

“…A comparative study of thermal lensing effect in diode laser pumped Ng- and Np-cut Nd:KGd(WO4)2 (KGW) laser crystals was performed for laser emission polarized…”
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Thermo-optical properties of uniaxial NaT(XO4)2 laser host crystals (where T = Y, La, Gd or Bi, and X = W or Mo) by Loiko, P. A., Han, X., Yumashev, K. V., Kuleshov, N. V., Serrano, M. D., Cascales, C., Zaldo, C.

“…Thermo-optic coefficients d n o /d T and d n e /d T were measured in tetragonal double tungstate and double molybdate crystals NaT(XO 4 ) 2 (where T  =  Y ,…”
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Structure and upconversion luminescence of transparent glass-ceramics containing (Er,Yb)2(Ti,Zr)2O7 nanocrystals by Dymshits, O.S., Loiko, P.A., Skoptsov, N.A., Malyarevich, A.M., Yumashev, K.V., Zhilin, A.A., Alekseeva, I.P., Tsenter, M.Ya, Bogdanov, K.

“…Transparent spinel-based glass-ceramics are synthesized on the basis of the magnesium aluminosilicate glass with the addition of nucleating agents (a mixture…”
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Wavelength-tunable absorption and luminescence of SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses with PbS quantum dots by Loiko, P.A., Rachkovskaya, G.E., Zacharevich, G.B., Yumashev, K.V.

“…Lead sulfide quantum dots (QDs) with average diameter of 3.0–6.5nm were grown in novel SiO2–Al2O3–ZnO–Na2O–K2O–NaF glasses highly-doped with PbO and elemental…”
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Up-Conversion Luminescence in Oxyfluoride Glass-Ceramics with PbF2:(Yb3+, Eu3+, RE3+) (RE = Tm, Ho, OR Er) Nanocrystals by Vilejshikova, E. V., Loiko, P. A., Rachkovskay, G. E., Zakharevich, G. B., Yumashev, K. V.

“…Transparent oxyfluoride glass-ceramics containing PbF 2 :(Yb 3+ , Eu 3+ , RE 3+ ) (RE = Tm, Ho, Er) nanocrystals were synthesized by secondary thermal…”
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Spectral and Luminescent Properties of Oxyfluoride Glasses Codoped with (Yb3+, Eu3+) and (Yb3+, Tb3+) by Vilejshikova, E. V., Loiko, P. A., Rachkovskaya, G. E., Zakharevich, G. B., Yumashev, K. V.

“…The spectral and luminescent properties of SiO 2 –PbO–PbF 2 –CdF 2 oxyfl uoride glasses doped with Yb 3+ , Eu 3+ , and Tb 3+ were investigated. The lifetime τ(…”
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Luminescence of Eu:Y3Al5O12, Eu:Lu3Al5O12, and Eu:GdAlO3 Nanocrystals Synthesized by Solution Combustion by Vilejshikova, E. V., Khort, A. A., Podbolotov, K. B., Loiko, P. A., Shimanski, V. I., Shashkov, S. N., Yumashev, K. V.

“…Nanocrystals of rare-earth garnets Y 3 Al 5 O 12 and Lu 3 Al 5 O 12 and perovskite GdAlO 3 highly doped (10–20 at%) with Eu 3+ are synthesized by the solution…”
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Comparative thermal analysis of Nd- and Yb-doped YAG and KGdW laser crystals under diode- and flashlamp-pumping by Loiko, P.A., Yumashev, K.V., Kuleshov, N.V., Pavlyuk, A.A.

“…Temperature distribution in the Nd- and Yb- doped YAG and KGdW laser crystals under flashlamp- and diode-pumping was characterized by means of finite element…”
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Optical properties of transparent cobalt-containing magnesium aluminosilicate glass-ceramics doped with gallium oxide for saturable absorbers by Loiko, P. A., Skoptsov, N. A., Dymshits, O. S., Malyarevich, A. M., Yumashev, K. V., Zhilin, A. A., Alekseeva, I. P.

“…Transparent glass-ceramic materials based on glasses of the MgO–Al 2 O 3 –SiO 2 –TiO 2 system doped with CoO and Ga 2 O 3 are synthesized. The secondary heat…”
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Mechanisms of Up-Conversion Luminescence in Glass-Ceramics Containing Er:PbF2 Nanocrystals by Loiko, P. A., Rachkovskaya, G. E., Skoptsov, N. A., Arzumanyan, G. M., Kulik, M., Kuklin, A. I., Zakharevich, G. B., Yumashev, K. V., Mateos, X.

“…Transparent oxyfluoride germanosilicate glass-ceramics containing Er:PbF 2 nanocrystals is synthesized on the basis of SiO 2 –GeO 2 –PbO–PbF 2 initial glass…”
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Laser performance and thermal lensing in flashlamp pumped Np-cut and Ng-cut Nd:KGW crystals by Loiko, P. A., Denisov, I. A., Yumashev, K. V., Kuleshov, N. V., Pavlyuk, A. A.

“…A comparative experimental study of laser performance and thermal lensing properties in a flashlamp pumped Nd:KGW crystal cut for the light propagating along…”
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New Luminescing Oxyfluoride Glass with Europium and Ytterbium Ions by Loiko, P. A., Rachkovskaya, G. E., Zakharevich, G. B., Yumashev, K. V.

“…New oxyfluoride glasses containing Eu 3+ and Yb 3+ have been synthesized in the system SiO 2 –PbO–PbF 2 –CdF 2 and their physical-chemical properties and the…”
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Thermo-optic coefficients of Nd-doped anisotropic KGd(WO4)2, YVO4 and GdVO4 laser crystals by Loiko, P. A., Yumashev, K. V., Kuleshov, N. V., Pavlyuk, A. A.

“…Thermo-optic coefficients dn / dT of anisotropic Nd(3 at.%):KGd(WO 4 ) 2 , KGd(WO 4 ) 2 , Nd(0.4 at.%):YVO 4 and Nd(0.4 at.%):GdVO 4 crystals were measured at…”
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