Search Results - "Napartovich, A. P."

Single-Mode Emission From Vertical-Cavity Surface-Emitting Lasers With Low-Index Defects by Ling Bao, Nam-Heon Kim, Mawst, L.J., Elkin, N.N., Troshchieva, V.N., Vysotsky, D.V., Napartovich, A.P.

“…Mode confinement to low-index "defect" regions of a two-dimensional square photonic lattice has been studied as a means to realize single-spatial-mode…”
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Near-diffraction-limited coherent emission from large aperture antiguided vertical-cavity surface-emitting laser arrays by Bao, Ling, Kim, Nam-Heon, Mawst, Luke J., Elkin, N. N., Troshchieva, V. N., Vysotsky, D. V., Napartovich, A. P.

“…We demonstrate that in-phase mode operation with a near-diffraction-limited beam can be realized in large aperture (up to 100 elements) antiguided…”
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Influence of a Nitrogen Admixture on the Anomalous Memory Effect in the Breakdown of Low-Pressure Argon in a Long Discharge Tube by Dyatko, N. A., Ionikh, Yu. Z., Meshchanov, A. V., Napartovich, A. P.

“…The memory effect (the dependence of the dynamic breakdown voltage U b on the time interval τ between voltage pulses) in pulse-periodic discharges in pure…”
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Modeling, fabrication, and characterization of large aperture two-dimensional antiguided vertical-cavity surface-emitting laser arrays by Ling Bao, Nam-Heon Kim, Mawst, L.J., Elkin, N.N., Troshchieva, V.N., Vysotsky, D.V., Napartovich, A.P.

“…We have investigated the modal behavior of two-dimensional (up to 400 elements) active-photonic-lattice-based antiguided vertical-cavity surface-emitting laser…”
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Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide by Wrage, M., Glas, P., Fischer, D., Leitner, M., Elkin, N.N., Vysotsky, D.V., Napartovich, A.P., Troshchieva, V.N.

“…Out-of-phase supermode with adjacent modes was selected in a multicore fiber (MCF) laser phase-locked by field propagation inside an annular waveguide (AW),…”
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Specificity of probe measurements in diffuse plasmas of dense gases in strong electric fields by Akishev, Yu. S., Medvedev, M. A., Napartovich, A. P., Petryakov, A. V., Trushkin, N. I., Shafikov, A. G.

“…The article is devoted to extending the applicability of the probe diagnostics to the range of higher pressures of the plasma-forming gas by taking into…”
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A prototype of an electric-discharge gas flow oxygen−iodine laser: I. Modeling of the processes of singlet oxygen generation in a transverse cryogenic slab RF discharge by Vagin, N. P., Ionin, A. A., Kochetov, I. V., Napartovich, A. P., Sinitsyn, D. V., Yuryshev, N. N.

“…The existing kinetic model describing self-sustained and electroionization discharges in mixtures enriched with singlet oxygen has been modified to calculate…”
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Phase-locking and self-imaging properties of a Talbot resonator applied to circular structures by Wrage, M., Glas, P., Leitner, M., Vysotsky, D.V., Napartovich, A.P.

“…The geometry of diode-pumped high power multicore fiber (MCF) lasers is characterized by many individual laser emitters (microcores) placed on a ring inside a…”
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Calculations of thermal ignition time of hydrogen–air mixtures taking into account quantum corrections by Kochetov, I. V., Napartovich, A. P., Petrushevich, Yu. V., Starostin, A. N., Taran, M. D.

“…The effect of quantum corrections to the rate constants of chemical reactions on the time of thermal ignition of hydrogen-containing mixtures is studied. It is…”
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Numerical simulations of Trichel pulses in a negative corona in air by Akishev, Yu. S., Kochetov, I. V., Loboiko, A. I., Napartovich, A. P.

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Direct numerical simulation of radiation propagation in a multicore fiber by Elkin, N.N., Napartovich, A.P., Sukharev, A.G., Troschieva, V.N., Vysotsky, D.V.

“…Modern technology allows for manufacturing of multicore fibers composed of a number of microcores placed on a circle and doped with Nd 3+ ions. To understand…”
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Calculation of the Dynamics of Ignition of an Air-Hydrogen Mixture by Nonequilibrium Discharge in a High-Velocity Flow by Napartovich, A. P., Kochetov, I. V., Leonov, S. B.

“…The paper deals with the problem of initiation of ignition of an air-hydrogen mixture by means of a nonequilibrium electric discharge under conditions of…”
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Transition of a multipin negative corona in atmospheric air to a glow discharge by Akishev, Yu. S., Grushin, M. E., Kochetov, I. V., Napartovich, A. P., Pan'kin, M. V., Trushkin, N. I.

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Steady-State Partially Constricted Glow Discharge by Dyatko, N. A., Ionikh, Y. Z., Meshchanov, A. V., Napartovich, A. P.

“…It is known that, at intermediate gas pressures, the increase in discharge current leads to the constriction of the positive column of the diffuse glow…”
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Plasma-Induced Ethylene Ignition and Flameholding in Confined Supersonic Air Flow at Low Temperatures by Leonov, S B, Kochetov, I V, Napartovich, A P, Sabel'nikov, V A, Yarantsev, D A

“…The results of laboratory-scale experiments on plasma-induced hydrogen and ethylene ignition and flameholding by means of near-surface electrical discharge are…”
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Experimental and numerical determination of coupling constant in a multicore fiber by Wrage, M, Glas, P, Leitner, M, Sandrock, T, Elkin, N.N, Napartovich, A.P, Sukharev, A.G

“…We report for the first time on measurements of the coupling constant in a multicore fiber at a wavelength of 1.064 μm. In the multicore geometry the…”
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Parametric study of first-overtone CO laser with suppressed fundamental band lasing: experiment and theory by Ionin, A.A., Kotkov, A.A., Kurnosov, A.K., Napartovich, A.P., Seleznev, L.V., Turkin, N.G.

“…Parametric study of a first-overtone (FO) CO laser was carried out both experimentally and theoretically. A special optical filter was used for suppression of…”
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Kinetic modelling of a discharge-pumped ArF excimer laser and the effects of discharge filamentation by Demyanov, A.V., Feenstra, L., Peters, P.J.M., Napartovich, A.P., Witteman, W.J.

“…Results of kinetic modelling of an X-ray preionised, discharge-pumped ArF excimer laser, operating with a spiker-sustainer circuit are presented. The…”
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Frequency tunable single-line pulsed first-overtone carbon monoxide laser by Basov, N.G, Hager, G.D, Ionin, A.A, Kotkov, A.A, Kurnosov, A.K, McCord, J.E, Napartovich, A.P, Seleznev, L.V, Turkin, N.G

“…Tunable single-line first-overtone (FO) CO lasing on wavelengths from 2.7 up to 4.2 μm corresponding to overtone vibrational transitions from 13→11 up to 38→36…”
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Pulsed first-overtone CO laser: effective source of IR radiation in spectral range of 2.5–4.0 μm by Ionin, A.A, Kotkov, A.A, Kurnosov, A.K, Napartovich, A.P, Seleznev, L.V, Turkin, N.G

“…Spectral properties of radiation of a pulsed electron-beam controlled discharge laser operating on the first-overtone transitions (Δ v=2) of CO molecules have…”
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