Search Results - "Doroshenko, M.E."

Investigation of Nd3+ ions spectroscopic and laser properties in SrF2 fluoride single crystal by Alimov, O.K., Basiev, T.T., Doroshenko, M.E., Fedorov, P.P., Konyushkin, V.A., Nakladov, A.N., Osiko, V.V.

“…► Different Nd3+ centers in SrF2 crystal were determined and their lifetimes were measured. ► Oscillation spectrum of Nd3+ ions in SrF2 crystal was found to…”
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Cr2+-Fe2+ ions interaction in Zn0.85Mn0.15Se crystal by Doroshenko, M.E., Pierpoint, K.A., Jelínková, H., Říha, A.

“…Zn0.85Mn0.15Se crystals co-doped with Cr2+ and Fe2+ ions are investigated. Concentration quenching of Cr2+ and Fe2+ ions with an increase in Cr2+ ion…”
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Polyvalent chromium ions state in new Ca3(VO4)2:Cr single crystal by Doroshenko, M.E., Ivleva, L.I., Voronina, I.S., Dunaeva, E.E.

“…New high optical quality calcium orthovanadate Ca3(VO4)2 crystal doped by chromium ions was synthesized. Polyvalent character of doping chromium ions in…”
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Spectroscopic properties of Cr2+ ions in Zn1-Mn Se solid solutions by Doroshenko, M.E., Jelinkova, H., Riha, A., Pierpoint, K.

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Modification of calcium orthovanadate single crystal due to cobalt doping by Voronina, I.S., Dunaeva, E.E., Papashvili, A.G., Doroshenko, M.E., Ivleva, L.I.

“…•Ca3(VO4)2:Co single crystals were obtained by Czochralski method for the first time.•Co ions limiting doping level in Czochralski grown crystals was…”
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The effect of magnesium impurities on the optical and spectral characteristics of calcium orthovanadate single crystals doped with chromium and manganese by Voronina, I.S., Doroshenko, M.E., Dunaeva, E.E., Zykova, S.S., Iskhakova, L.D., Ivleva, L.I.

“…•Ca3(VO4)2:Mn:Mg and Ca3(VO4)2:Cr:Mg single crystals were studied for the first time.•Spectral properties of Mg co-doped crystals were first time…”
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Gain-switched laser operation of Cr2+,Fe2+:Zn1-xMgxSe (x ≈ 0.2; x ≈ 0.3) single crystals under Cr2+ → Fe2+ energy transfer at ~1.73 μm and direct Fe2+ ions excitation at ~2.94 μm by Říha, A., Jelínková, H., Doroshenko, M.E., Jelínek, M., Šulc, J., Němec, M., Čech, M., Vyhlídal, D., Kovalenko, N.O.

“…Novel Zn1-xMgxSe (x ≈ 0.2 and x ≈ 0.3) single crystals co-doped with Cr2+ and Fe2+ ions were investigated. The excitation was performed either via the energy…”
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Investigation of ion-ion (Nd–Nd) interaction mechanisms in Sr3LaNb3O12:Nd3+ crystals by Alimov, O.K., Doroshenko, M.E., Yarmukhamedov, A.Sh, Pierpoint, K.A., Shodiev, H.

“…The spectral-kinetic characteristics of Nd3+ optical centers (A, B, C centers) in Sr3LaNb3O12 crystals are studied by selective laser spectroscopy technique…”
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Ca3(VO4)2:Tm3+—A new crystalline medium for 2-μm lasers by Ivleva, L.I., Dunaeva, E.E., Voronina, I.S., Doroshenko, M.E., Papashvili, A.G.

“…•Ca3(VO4)2 crystals doped with Tm3+ were obtained for the first time.•Chemical and optical homogeneity and domain structure of the crystals were…”
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Spectroscopic properties of Cr2+ ions in Zn1-xMnxSe solid solutions by Doroshenko, M.E., Jelinkova, H., Riha, A., Pierpoint, K.

“…The spectroscopic properties of Cr2+ ions in a range of cubic Zn1-xMnxSe (x = 0–0.4) solid solutions were investigated. An almost linear decrease in 5E level…”
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Growth and properties of manganese doped Ca3(VO4)2 single crystals by Voronina, I.S., Voronov, V.V., Dunaeva, E.E., Iskhakova, L.D., Papashvili, A.G., Doroshenko, M.E., Ivleva, L.I.

“…•Ca3(VO4)2:Mn single crystals were obtained by Czochralski method for the first time;•Ferroelectric domain configuration was estimated by selective chemical…”
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Spectroscopic and laser properties of Tm3+ ions in Ca3(VO4)2 crystal by Doroshenko, M.E., Papashvili, A.G., Voronina, I.S., Ivleva, L.I., Sulc, J., Kratochvíl, J., Jelinkova, H.

“…The spectroscopic properties of Tm3+ ions in Ca3(VO4)2 crystal were investigated and diode pumped tunable lasing was demonstrated. The maximum absorption and…”
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Formation of Cr2+-Fe2+ clusters in Zn0.7Mn0.3Se:Cr,Fe and Zn0.7Mg0.3Se:Cr,Fe crystals: Room-temperature spectroscopic properties and energy transfer by Doroshenko, M.E., Pierpoint, K.A., Jelínková, H., Říha, A.

“…The room-temperature spectroscopic properties of Cr2+ ions in Zn0.7Mn0.3Se and Zn0.7Mg0.3Se crystals co-doped with Cr2+ and Fe2+ ions were investigated and…”
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High-temperature diffusion doping as a method of fabrication of Ca3(VO4)2:Mn single crystals by Voronina, I.S., Dunaeva, E.E., Papashvili, A.G., Iskhakova, L.D., Doroshenko, M.E., Ivleva, L.I.

“…•Diffusion doped CVO:Mn crystals were obtained for the first time.•Diffusion coefficients of Mn ions in CVO were calculated for different conditions.•Mn ions…”
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Fe:ZnMnSe laser active material at 78–300 K: Spectroscopic properties and laser generation at 4.2–5.0 µm by Doroshenko, M.E., Jelínková, H., Osiko, V.V., Jelínek, M., Vyhlídal, D., Šulc, J., Němec, M., Kovalenko, N.O., Gerasimenko, A.S.

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Spectroscopic properties of Ho3+ optical centers in CaF2 crystals at the two-micron laser transition by Pierpoint, K.A., Doroshenko, M.E., Alimov, O.K., Papashvili, A.G., Konyushkin, V.A., Nakladov, A.N., Nekhoroshikh, A.V.

“…The spectroscopic properties and lifetimes of various Ho3+ optical centers at the two-micron 5I7→5I8 laser transition were studied in CaF2 crystals at…”
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Formation of Tm-Y centers in CaF2-YF3:Tm3+ solid-solution crystals by Doroshenko, M.E., Pierpoint, K.A., Alimov, O.K., Papashvili, A.G., Konyushkin, V.A., Nakladov, A.N.

“…The spectroscopic properties of Tm3+ optical centers at the 3F4-3H6 two-micron transition in CaF2-YF3:Tm3+ solid-solution crystals are studied by the selective…”
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Fe:ZnMnSe laser active material at 78–300K: Spectroscopic properties and laser generation at 4.2–5.0µm by Doroshenko, M.E., Jelínková, H., Osiko, V.V., Jelínek, M., Vyhlídal, D., Šulc, J., Němec, M., Kovalenko, N.O., Gerasimenko, A.S.

“…Fe:Zn1−xMnxSe solid-solution (x=0 to 0.4) spectroscopic properties were investigated in the temperature range 78 – 300K. As an excitation source, an Er:YAG…”
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Growth and spectral-luminescence characteristics of modified BGO crystals by Dunaeva, E.E., Ivleva, L.I., Doroshenko, M.E., Boldyrev, K.N., Papashvili, A.G.

“…•The optically homogeneous BGO:Dy3+ crystals were grown by Czochralsky method.•The special conditions to obtain colored (“reddish”) BGO samples were…”
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CaF2:Yb laser ceramics by Akchurin, M.Sh, Basiev, T.T., Demidenko, A.A., Doroshenko, M.E., Fedorov, P.P., Garibin, E.A., Gusev, P.E., Kuznetsov, S.V., Krutov, M.A., Mironov, I.A., Osiko, V.V., Popov, P.A.

“…[Display omitted] ► Hot-pressing technique produced CaF2:Yb ceramics with superior mechanical properties. ► For the first time, lasing has been observed for…”
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