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Modeling of beam-plasma devices slow-wave structures and analysis of their dispersion characteristics
P. 71–75.
In modeling of resonator slow-wave structures, equivalent systems method was used and collisionless plasma was used as the transit channel filler. Comparison of the results obtained demonstrates the accuracy of the developed model. The dispersion characteristics analysis was conducted.
In book
М.: Фонд «Качество», 2016.
Yurin A., International Journal of Applied Glass Science 2026 Vol. 17 No. 2 Article e70022
This article presents a three autocollimation method (TAM) for measuring the refractive index (RI) of optical glass. The popular minimum deviation method (MDM) for RI measurement is accurate, but it is very laborious, since the procedure of determining the minimum possible angle requires many iterations. TAM allows the calculation of RI based on the measurement ...
Added: January 23, 2026
S. A. Presnyakov, A. D. Kasatkin, N. P. Kravchenko, , in: 2024 Systems of signals generating and processing in the field of on board communications.: IEEE, 2024. P. 1–6.
In this paper, the slow-wave structures (SWSs) of the “chain of coupled cavities”-type (CCC) were investigated. This type of SWS is widely used for designing the microwave amplifying devices due to their excellent heat dissipation properties allowing for higher output power. The influence of the transit channel, where the electron beam propagates, on the electrodynamic ...
Added: September 14, 2024
Yurin A., Вишняков Г. Н., Minaev V., Компьютерная оптика 2024 Т. 48 № 2 С. 225–230
Dispersion characteristics of optical glass are considered. An approach to research of dispersion characteristics of optical glass is proposed, requiring the measurement of the refractive index at only three wavelengths, which simplifies the measurement process compared with the use of the widely used Sellmeier equation. An approximation function for the refractive index of optical glass ...
Added: January 2, 2024
S. A. Presnyakov, A. D. Kasatkin, N. P. Kravchenko, , in: 2023 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO).: IEEE, 2023. P. 1–4.
In this paper, the slow-wave structure (SWS) of the “folded waveguide” -type was considered. This SWS is widely used for designing the devices in higher frequencies like millimeter and sub millimeter ranges due to its compactness, increased interaction length, reduced transit time effects, lower voltage requirements, and wide bandwidth. The calculation of its electrodynamic characteristics, ...
Added: October 16, 2023
Kasatkin A., Presnyakov S., Kravchenko N. et al., , in: SYNCHROINFO 2019 Systems of Signal Synchronization, Generating and Processing in Telecommunications, IEEE Conference # 47541.: IEEE, 2019. P. 1–5.
The subject of consideration of this work is the development of the design, algorithm and program for calculating the dispersion characteristics of the coaxial-radial line (CRL). The selected design of the CRL allows to optimize the coupling impedance and the dispersion of the SWS. ...
Added: October 24, 2019
Mozgovoi Y. D., Khritkin S. A., Nikitina E. M., , in: 2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE).: Саратов: IEEE, 2018. P. 113–119.
In the framework of the theory of coupled waves and the method of equivalent circuits, a dispersion equation for resonant slow-wave systems with an electron beam is obtained. For an electrodynamic system in the form of a folded waveguide with given geometric parameters and calculated electrodynamic characteristics, an equivalent circuit is constructed, and its parameters ...
Added: October 16, 2018
Kravchenko N., Kasatkin A., Presnyakov S. et al., , in: 2018 Systems of Signals Generating and Processing in the Field of on Board Communications, IEEE Conference #43917, Moscow Technical University of Сommunications and Informatics.: IEEE, 2018. P. 1–5.
This paper describes concept of program complex’s composition which is used for traveling-wave tube (TWT) with resonator slow-wave structures and designing and implementating models for this complex. Projects of cm-range and mm-range TWT developed with program complex “VEGA” are presented. ...
Added: May 14, 2018
Kravchenko N., Mukhin S., Presnyakov S., Journal of Communications Technology and Electronics 2017 Vol. 62 No. 7 P. 800–808
Models of rectangular and axially symmetric resonator slow-wave structures, which are built using transmission matrix for determining the characteristics of the slow-wave structures in different operation modes, are investigated. Elements of the transmission matrix are determined from the results of 3D simulation with the use of the HFSS software. In the analysis of the dispersion ...
Added: October 24, 2017
Kasatkin A., Presnyakov S., Kravchenko N. et al., T-Comm: Телекоммуникации и транспорт 2017 Т. 11 № 1 С. 31–36
In this paper the calculation of the dispersion characteristics of the slow-wave structures suitable for use in the terahertz range devices is conducted. The slow-wave structuress of the "winding waveguide"-, "serpentine"- and "counter-pins"-type can be considered as such. Analysis of the dispersion characteristics was carried out using waveguide-resonator model, which is built for slow-wave structures ...
Added: June 28, 2017
Mozgovoi Y. D., Khritkin S. A., Evdokimov Y. V., , in: Proceedings of the 18th IEEE International Vacuum Electronics Conference (IVEC-2017).: L.: IEEE, 2017. P. 1–2.
Linear theory methods of the coupled spacecharge waves for copropagating electron beams considering coefficients of electron interaction and a reduction of plasma oscillations are developed. Interaction of copropagating electron beams promising to amplification of microwaves in electron mode regimes to create devices of millimeter and submillimeter wavelength ranges. Equations of the coupled waves are written ...
Added: May 14, 2017
Kravchenko N., Presnyakov S., Kasatkin A. et al., , in: Proceedings of the 2017 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (ElConRus).: St. Petersburg: Saint Petersburg Electrotechnical University “LETI”, 2017. P. 135–137.
In this paper, the dispersion characteristics of slow-wave structures suitable for use in devices in the terahertz range are calculated. Slow-wave structures of “winding waveguide” and “counter pins” types can be considered as suitable systems. Analysis of dispersion characteristics of slow-wave structure was carried out by a waveguide-resonator model, which is built for the slow-wave ...
Added: March 1, 2017
Kasatkin A., Kravchenko N., Mukhin S. et al., , in: 2016 International Conference on Actual Problems of Electron Devices Engineering (APEDE).: Саратов: IEEE, 2016. P. 63–70.
Equivalent systems method was implemented for designing the resonator slow-wave structures in plasma-beam devices, and non-impact plasma was used for the filling of the transit channel. The collation of the calculation results demonstrates the adequacy of the developed model in comparison with the real devices and structures. The analysis of the slow-wave structure dispersion characteristics ...
Added: September 30, 2016
Presnyakov S., Kravchenko N., Mukhin S., , in: 2016 International Siberian Conference on Control and Communications (SIBCON). Proceedings.: M.: HSE, 2016. P. 1–4.
Based on equivalent systems method model of “chain of coupled resonators”-type slow-wave structure’s cell is developed. Rectangular slow-wave structures of “winding waveguide”-type are considered. Model of the cell represents ramified circuit, composed of quadripoles. Assessment of model’s adequacy was conducted by comparison of dynamic characteristics calculated by using a model and HFSS. ...
Added: September 19, 2016
Azov G. A., Efremova M. V., Solntsev V. A. et al., Journal of Communications Technology and Electronics 2016 Vol. 61 No. 8 P. 915–919
The results of numerical simulation of electrodynamic characteristics of a slow-wave structure shaped as a folded waveguide and an electron–optical system of a three-millimeter-band pulse travelling wave tube with an output pulsed power of up to 50 W are presented. The matching devices, the interaction space, and the electron–optical system are calculated, which allows determination ...
Added: June 29, 2016
Presnyakov S., Kravchenko N., Mukhin S., В кн.: Фундаментальные проблемы радиоэлектронного приборостроения: Материалы международной научно-технической конференции INTERMATIC-2015Ч. 4: Приборы и компоненты РЭА.: М.: Редакционно-издательский отдел МИРЭА, 2015. Гл. 57 С. 224–227.
Развитие микроволновых технологий и их проникновение в новые сферы науки
и техники привело к образованию новых проблем, связанных с проектированием и
разработкой новых приборов на их основе. В данной работе рассматриваются широко
применяющиеся в создании усилителей больших и средних мощностей цельнометал
лические резонаторные замедляющие системы (ЗС). В силу трёхмерности данных ЗС
моделирование использующих их приборов методами строгой электродинамики за
труднительно, что ...
Added: December 10, 2015
Kravchenko N., Mukhin S., Presnyakov S., В кн.: Фундаментальные проблемы радиоэлектронного приборостроения: Материалы международной научно-технической конференции INTERMATIC-2015Ч. 4: Приборы и компоненты РЭА.: М.: Редакционно-издательский отдел МИРЭА, 2015. Гл. 45 С. 185–188.
При разработке усилителей сверхвысоких частот (СВЧ) большой и средней мощности, широко используемых в радиоэлектронном приборостроении, применяются цельнометаллические резонаторные замедляющие системы (ЗС), обеспечивающие необходимый теплоотвод. Эти ЗС являются трехмерными, а моделирование приборов, создаваемых на их основе с использованием строгих электродинамических программ, требует больших затрат вычислительных ресурсов. Поэтому разработка простых и точных моделей резонаторных ЗС, используемых при ...
Added: December 10, 2015