Search Results - "Shalaev, P. D."

Carbon Materials in Heat-Loaded Units of Traveling Wave Tubes and Klystrons (Review) by Shesterkin, V. I., Krachkovskaya, T. M., Shalaev, P. D., Baimagambetova, L. T., Zhuravlev, S. D., Kirichenko, D. I., Bogachev, R. Yu

“…The results of study carried out at JSC NPP Almaz over the past ten years on the application and prospects for the use of carbon materials in heat-loaded units…”
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Nanocarbon-Modified Metal Porous Cathodes with High Durability for Application in Microwave Devices by Krachkovskaya, T. M., Melnikov, L. A., Glukhova, O. E., Shunaev, V. V., Shalaev, P. D.

“…The paper presents the calculations of the physical and energy parameters of nanocarbon structures with the components of a metal-porous cathode active…”
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Modeling a subterahertz traveling-wave tube with a slow-wave structure of the double grating type and a sheet electron beam by Karetnikova, T. A., Rozhnev, A. G., Ryskin, N. M., Torgashov, G. V., Sinitsyn, N. I., Grigoriev, Yu. A., Burtsev, A. A., Shalaev, P. D.

“…A traveling-wave tube of the millimeter range belonging to the short-wavelength region with a sheet electron beam and a slow-wave structure of the double…”
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Quasi-fractal PBG structures for Multi-Beam Devices by Tsarev, V.A., Nesterov, D.A., Shalaev, P.D.

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Improvement in the properties of glassy-carbon field-emission cells in forming spikes with a high aspect ratio via laser milling by Shesterkin, V. I., Sokolova, T. N., Morev, S. P., Bessonov, D. A., Surmenko, E. L., Darmaev, A. N., Komarov, D. A., Murav’ev, E. K., Shalaev, P. D., Shumikhin, K. V.

“…Various opportunities to improve the quality with which an electron flow is formed by cathode arrays comprising multilayer planar structures with the vertical…”
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Experimental investigations and numerical simulation of the electron flow shaped by Grigor’ev-Shesterkin matrix carbon field-emission cells by Darmaev, A. N., Komarov, D. A., Morev, S. P., Shesterkin, V. I., Shalaev, P. D.

“…The results of the investigations of the electron flow in Grigor’ev-Shesterkin field-emission cathode cells intended for use in microwave tubes are presented…”
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Development and modeling of a G-band sheet-beam traveling wave tube amplifier with grating slow-wave structure by Karetnikova, T. A., Ryskin, N. M., Rozhnev, A. G., Torgashov, G. V., Sinitsyn, N. I., Shalaev, P. D., Burtsev, A. A.

“…Sheet-beam traveling-wave tubes (TWTs) and backward-wave oscillators (BWOs) with grating slow-wave structures (SWS) have attracted a considerable interest as…”
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Studying a multibeam microwave drift-tube K-band oscillator with an electrodynamic system of two slot-coupled resonators by Tsarev, V. A., Muchkaev, V. Yu, Shalaev, P. D.

“…The possibility is shown of creating a new low-voltage multibeam oscillator of monotron type operating in the K band of wavelengths. The operating principle of…”
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Modeling and characterization of a slow-wave structure for a sheet-beam sub-THz TWT amplifier by Ryskin, N. M., Rozhnev, A. G., Karetnikova, T. A., Torgashov, G. V., Sinitsyn, N. I., Shalaev, P. D., Bourtsev, A. A.

“…Microfabricated sheet-beam traveling-wave tubes for THz and sub-THz operation have attracted a considerable interest. In this paper we discuss design issues of…”
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Influence of the microwave plasma deposition regime on the field-electron emission characteristics of nanodiamond-graphite composite films by Bushuev, N. A., Shalaev, P. D., Yafarov, A. R., Yafarov, R. K.

“…It is established that the field-electron emission characteristics of nanodiamond-graphite composite films deposited in nonequilibrium microwave plasma of…”
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Emissivity of a multibeam electron gun with a glassy carbon field-emission cathode by Bushuev, N. A., Glukhova, O. E., Grigor’ev, Yu. A., Ivanov, D. V., Kolesnikova, A. S., Nikolaev, A. A., Shalaev, P. D., Shesterkin, V. I.

“…A multibeam triode electron gun with a glassy carbon field-emission cathode that is intended for an O-type microwave amplifier is studied. The electric field…”
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Reducing noise in the broadband TWT MM range through the use of electron guns with the field at the cathode by Alekseeva, N. A., Kirichenko, D. I., Rogovin, V. I., Shalaev, P. D.

“…The results of the calculation of the distribution of the magnetic field in the magnetic periodic focusing system with different screen configurations are…”
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Optimization and calculation of the planar matrix multilayer grigoriev-shesterkin structures parameters with vertically oriented field emitters by Darmaev, A. N., Komarov, D. A., Morev, S. P., Shesterkin, V. I., Shalaev, P. D.

“…The results of electrons trajectories calculations in the planar layered structures with grouped vertically oriented field emitters are presented…”
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Results of experimental researches high electronic efficiency Helix TWT in a two-frequency operating mode by Shalaev, P D, Simonov, D L

“…Results of research of modulation of the main and intermodulation components in a frequency spectrum of output signal are presented at change of a level of one…”
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Decrease of a gain change in a broadband K-Ka TWT by Danilov, A. B., Il'ina, E. M., Shalaev, P. D.

“…The output characteristics of the broadband K-Ka TWT are commutated. For the purpose of diminishing the gain variation (by the method, described in [1, 2]), a…”
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Field emission cells with high aspect ratio of glassy vertical emitters and electron guns based on them by Darmaev, A. N., Komarov, D. A., Morev, S. P., Muravyev, E. K., Bessonov, D. A., Sokolova, T. N., Surmenko, E. L., Shalaev, P. D., Shesterkin, V. I.

“…The results of the research of the field emission cells with a large aspect ratio of vertically-oriented emitters made of glassy carbon for use in microwave…”
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Modeling of planar vane slow wave structures for a travelig wave tube amplifier with sheet electron beam by Karetnikova, T. A., Rozhnev, A. G., Ryskin, N. M., Torgashov, G. V., Sinitsyn, N. I., Shalaev, P. D., Burtsev, A. A.

“…A fast and accurate code for calculation of eigenwaves in grating slow-wave structures (SWS) is developed. Such SWS are used in sheet-beam traveling wave tubes…”
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Design of definition method of attenuation distribution in spiral slow-wave structures of TWT by Krasnobelmov, V P, Lvov, A A, Shalaev, P D, Emelianov, V V

“…The experimental evaluation method for determining the distribution of attenuation along the length of the helical slow-traveling wave tube using a moving…”
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3D Computer simulation of field emission electron guns by Bourtsev, A A, Grigoriyev, Yu A, Pimenov, V G, Shalaev, P D

“…3-D computer simulation by Lorentz-EM software of field emission electron guns with the magnetic focusing for TWT, klystrons, gyro-TWT and magnetron-type…”
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A study of the temperature-dependent field emission from glass-like carbon vacuum cold array cathodes by Grigoryev, Yu.A., Bourtsev, A.A., Shalaev, P.D., Rehen, G.A., Pimenov, V.G.

“…The theoretical and experimental investigations of I-V characteristics of vacuum field emission array carbon microdiodes with varying temperature values on…”
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