Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Pavel D. Shalaev"'
Autor:
Pavel D. Shalaev
Publikováno v:
2020 International Conference on Actual Problems of Electron Devices Engineering (APEDE).
The technical substantiation of the effectiveness of the application of the method linearization characteristics of TWT using an additional input signal is given. A TWT design with an energy recuperator of an additional input signal is proposed. The
Publikováno v:
2020 International Conference on Actual Problems of Electron Devices Engineering (APEDE).
The results of experimental studies of the metal-porous cathode modified by carbon nanostructures Astralen® and Ugleron® are presented. Long-term reliability tests of space-based TWTs with such a cathode in forced mode showed that the proposed desi
Publikováno v:
2020 International Conference on Actual Problems of Electron Devices Engineering (APEDE).
The results of experimental studies of multiple-beam Ku-band klystron with a pyrolytic graphite shadow grid and klystron of the same type with a hafnium shadow grid are presented. The high antiemissive properties of pyrolytic graphite give a decrease
Autor:
Dmitry A. Bessonov, E. L. Surmenko, E. K. Murav’ev, V. I. Shesterkin, T. N. Sokolova, Pavel D. Shalaev, A. N. Darmaev, K. V. Shumikhin, S. P. Morev, D. A. Komarov
Publikováno v:
Journal of Communications Technology and Electronics. 61:1044-1051
Various opportunities to improve the quality with which an electron flow is formed by cathode arrays comprising multilayer planar structures with the vertical arrangement of autoemitters are investigated with the help of numerical simulation. It is d
Autor:
Yu.A. Grigoriev, Gennadiy V. Torgashov, Andrey G. Rozhnev, Pavel D. Shalaev, A. A. Burtsev, Nikita M. Ryskin, Tatiana A. Karetnikova, Nikolay I. Sinitsyn
Publikováno v:
Journal of Communications Technology and Electronics. 61:50-55
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 grating type is studied. Its dispersion characteristics and coupling impedances for various spat
Autor:
Kirill V. Shumikhin, Tatiana A. Karetnikova, Pavel D. Shalaev, A. A. Burtsev, Alexander Y. Kivokurtsev, Nikita M. Ryskin, Igor A. Navrotsky
Publikováno v:
2017 10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT).
The results of design, simulation, and experimental testing of an electron-optical system with three elliptic electron beams are presented. Total beam current is 93 mA. The beams are focused by a PPM system with 0.55 T magnitude of the magnetic field
Autor:
E. L. Surmenko, T. N. Sokolova, V. I. Shesterkin, S. P. Morev, D. A. Komarov, E. K. Muravyev, Dmitry A. Bessonov, Pavel D. Shalaev, A. N. Darmaev
Publikováno v:
2017 Eighteenth International Vacuum Electronics Conference (IVEC).
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 devices are presented. The possibility of developing electron optical systems (EOSs) with fie
Publikováno v:
Journal of Communications Technology and Electronics. 59:820-826
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. It is shown that it is possible to develop electron-optical systems (EOSs) with field-emi
Publikováno v:
Technical Physics Letters. 40:288-292
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 this device is based on autogeneration of electromagnetic oscillations during the interact
Autor:
Pavel D. Shalaev, Tatiana A. Karetnikova, Andrey G. Rozhnev, Nikita M. Ryskin, Gennadiy V. Torgashov, Nikolay I. Sinitsyn, Andrei I. Benedik
Publikováno v:
2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
Microfabricated vacuum-tube THz sources are of great interest for numerous applications such as communications, radar, sensors, imaging, etc. Recently, miniaturized sheet-beam traveling-wave tubes for THz and sub-THz operation have attracted a consid