Search Results - "Kopylov, Yu. L."

Specific features of thermal phonon scattering and ferromagnetic properties of ZnO varistor ceramics by Kopylov, Yu. L., Taranov, A. V., Khazanov, E. N.

“…The scattering of thermal phonons ( T = 2.3–3.8 K) in ZnO single crystals and related 97.5ZnO + 0.5Bi 2 O 3 + 0.5Co 3 O 4 + 0.5MnO 2 + 1Sb 2 O 3 (mol %)…”
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Algorithm for Elimination of Structural Noise in an Image Intensifier with Pyroelectric Array by Goncharenko, B. G., Salov, V. D., Zorin, S. M., Kopylov, Yu. L., Chernushich, A. P.

“…Signal formation in image intensifier with pyroelectric array is considered. Application of panning regime is substantiated, and impossibility of image…”
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Laser-quality oxide Y3Al5O12 ceramics. Comparative studies of its basic characteristics and laser ceramics of a known manufacturer by Kaminskii, A. A., Balashov, V. V., Cheshev, E. A., Kopylov, Yu. L., Koromyslov, A. L., Krokhin, O. N., Kravchenko, V. B., Lopukhin, K. V., Tupitsyn, I. M., Shemet, V. V.

“…The effect of sintering aids of SiO 2 , ZrO 2 , B 2 O 3 , and MgO oxides on the optimum sintering temperature, ceramics grain growth, total volume of residual…”
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Novel polycrystalline laser material: Nd3+:Y3Al5O12 ceramics fabricated by the high-pressure colloidal slip-casting (HPCSC) method by Kaminskii, A. A., Kravchenko, V. B., Kopylov, Yu. L., Bagayev, S. N., Shemet, V. V., Komarov, A. A., Kallmeyer, F., Eichler, H. J.

“…We developed a new method for fabrication of oxide laser ceramics. Its prospects were conclusively confirmed by efficient lasing at two wavelengths ≈1064 nm…”
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Phase formation and densification peculiarities of Y3Al5O12:Nd3+ during reactive sintering by Yavetskiy, R.P., Baumer, V.N., Doroshenko, A.G., Kopylov, Yu L., Kosyanov, D.Yu, Kravchenko, V.B., Parkhomenko, S.V., Tolmachev, A.V.

“…Processes of phase formation and densification during reactive sintering of YAG:Nd3+ laser ceramics have been studied through the 2.88Y2O3–0.12Nd2O3–5Al2O3…”
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YAG and Y2O3 laser ceramics from nonagglomerated nanopowders by Ivanov, M. G., Kopylov, Yu. L., Kravchenko, V. B., Lopukhin, K. V., Shemet, V. V.

“…Undoped and Nd- or Yb-doped laser-grade yttrium aluminum garnet and (Y,La) 2 O 3 ceramics with a transmittance above 80% in the 1-μm lasing region have been…”
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Composite Ceramic Nd3+:YAG/Cr4+:YAG Laser Elements by Balashov, V. V., Bezotosnyi, V. V., Cheshev, E. A., Gordeev, V. P., Kanaev, A. Yu, Kopylov, Yu. L., Koromyslov, A. L., Lopukhin, K. V., Polevov, K. A., Tupitsyn, I. M.

“…We produce composite ceramic laser elements Nd 3+ :YAG/Cr 4+ :YAG using two different methods, i.e., ( 1 ) layer-by-layer uniaxial pressing in a metallic mold…”
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Nd:Y2O3 nanopowders for laser ceramics by Kopylov, Yu.L., Kravchenko, V.B., Komarov, A.A., Lebedeva, Z.M., Shemet, V.V.

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Problems of YAG nanopowders compaction for laser ceramics by Bagayev, S.N., Kaminskii, A.A., Kopylov, Yu.L., Kravchenko, V.B.

“…► Fabrication of pore-free Y 3Al 5O 12 ceramics requires careful compaction process. ► Pores’ size in the compact should be smaller than particle size of…”
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Bulk and surface contributions to the second-harmonic generation in tetra-aminodiphenyl films by Goncharenko, B. G., Maslyanitsyn, I. A., Tsvetkov, V. B., Shigorin, V. D., Zorin, S. M., Kopylov, Yu. L.

“…The second-harmonic generation in thin (from 430 to 2330 nm) tetra-aminodiphenyl films obtained by thermal evaporation in vacuum is investigated. The…”
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Optical Properties and Lasing of YAG Ceramics with Losses by Vatnik, S. M., Vedin, I. A., Osipov, V. V., Lukryashin, K. E., Maksimov, R. N., Solomonov, V. I., Kopylov, Yu. L.

“…We report on optical properties and lasing of YAG ceramics synthesized at IREE (Fryazino) and IEP (Ekaterinburg). On the best samples of ceramics lasing with…”
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Study of active media on nano- and microparticles of solid-state laser materials by Bykovsky, N. E., Cheshev, E. A., Koromyslov, A. L., Senatsky, Yu. V., Chichkov, B. N., Evlyukhin, A., Kurselis, K., Kopylov, Yu. L., Konyushkin, V. A.

“…Prospects of active media based on nano- and microparticles of laser crystals and glasses are discussed. Study on laser beams propagation over the…”
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Effect of Nd3+ ions on phase transformations and microstructure of 0–4 at.% Nd3+:Y3Al5O12 transparent ceramics by Kosyanov, D.Yu, Yavetskiy, R.P., Baumer, V.N., Kopylov, Yu.L., Kravchenko, V.B., Vorona, I.O., Cherednichenko, A.I., Vovna, V.I., Tolmachev, A.V.

“…Neodymium doped yttrium aluminum garnet (1–4 at.%) Nd3+:Y3Al5O12 laser ceramics were obtained by the reactive sintering method using commercial α-Al2O3, Y2O3,…”
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Nonradiative energy transfer of electronic excitation between Tm3+ ions in Y2O3:Tm laser ceramics by Artemov, S.A., Balashov, V.V., Chabushkin, A.N., Dmitriev, O.A., Khrushchalina, S.A., Kopylov, Yu.L., Larina, N.A., Lyapin, A.A., Ryabochkina, P.A., Volkova, T.V., Zakharov, N.G.

“…The cross relaxation of Tm3+ ions (3H4→3F4, 3H6→3F4) in Y2O3:Tm laser ceramics was studied. This process significantly affects the creation of an inverse…”
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High quality Y3Al5O12 doped transparent ceramics for laser applications, role of sintering additives by Kaminskii, A.A., Balashov, V.V., Cheshev, E.A., Kopylov, Yu.L., Koromyslov, A.L., Krokhin, O.N., Kravchenko, V.B., Lopukhin, K.V., Shemet, V.V.

“…SiO2, ZrO2, B2O3 and MgO oxides and their combinations were used as sintering aids for preparation of yttrium aluminum garnet (YAG) ceramics doped by Nd2O3…”
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Phase formation and densification peculiarities of Y sub(3)Al sub(5)O sub(12):Nd super(3+) during reactive sintering by Yavetskiy, R P, Baumer, V N, Doroshenko, A G, Kopylov, Yu L, Kosyanov, D Yu, Kravchenko, V B, Parkhomenko, S V, Tolmachev, A V

“…Processes of phase formation and densification during reactive sintering of YAG:Nd super(3+) laser ceramics have been studied through the 2.88Y sub(2)O…”
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Development of Nd3+:Y3Al5O12 laser ceramics by high-pressure colloidal slip-casting (HPCSC) method by Kopylov, Yu.L., Kravchenko, V.B., Bagayev, S.N., Shemet, V.V., Komarov, A.A., Karban, O.V., Kaminskii, A.A.

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Nd3+:Y3Al5O12 laser ceramics: Influence of the size of yttrium oxide particles on sintering by Kosyanov, D. Yu, Baumer, V. N., Yavetskiy, R. P., Voznyy, V. L., Kravchenko, V. B., Kopylov, Yu. L., Tolmachev, A. V.

“…The influence of the size of Y 2 O 3 powder particles on the structure formation and densification of Nd 3+ :Y 3 Al 5 O 12 laser ceramics has been studied. It…”
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Fabrication and characterization of Eu3+-doped Lu2O3 scintillation ceramics by Kopylov, Yu.L., Kravchenko, V.B., Dulina, N.A., Lopin, А.V., Parkhomenko, S.V., Tolmachev, A.V., Yavetskiy, R.P., Zelenskaya, O.V.

“…► Translucent Lu2O3:Eu3+ ceramics has been prepared by vacuum sintering of nanopowders. ► Europium ions act as a solid-state sintering aid in Lu2O3 ceramics. ►…”
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Simple method to join YAG ceramics and crystals by Bagayev, S.N., Kaminskii, A.A., Kopylov, Yu.L., Kotelyanskii, I.M., Kravchenko, V.B.

“…► Method of optical bonding of Y3Al5O12 (YAG) ceramics and crystals. ► Thin SiOx layers are deposited on samples’ polished surfaces. ► The joined samples are…”
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