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Investigation of Transit Channel Influence on Rectangular Chain of Coupled Cavities Slow-Wave Structure
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 characteristics of the rectangular CCC-type SWS was analysed. Two different forms of the transit channel were considered: for pencil beam and for sheet beam. The 3D modeling in HFSS and processing of the results in MATLAB were performed. It is demonstrated that the presence of the transit channel influences the characteristic impedance and the dispersion characteristics of SWS.
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
Perov G. A., Presnyakov S., Kasatkin A. et al., , in: 2025 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO).: IEEE, 2025.
It is generally recognised that communication is one of the most important areas of technology. Moreover, the study and improvement of amplification devices operating in little-studied frequency ranges is an essential part of the modern communication development. This work is aimed at investigating the electrodynamic properties of modified designs of helix slow-wave systems, used in ...
Added: December 15, 2025
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
Kravchenko N., Kasatkin A., Presnyakov S. et al., , in: 2021 Systems of signals generating and processing in the field of on board communications.: IEEE, 2021. P. 1–4.
This paper discusses the modeling of the process of interaction in traveling-wave tubes (TWTs) based on 'coaxial-radial line'-type (CRL-type) slow-wave structures (SWSs). One of the most important tasks while designing TWTs is to achieve high output power over wide range of frequencies. The aim of this paper is to try to solve this problem by ...
Added: September 23, 2021
Presnyakov S., Kravchenko N., Kasatkin A. et al., , in: 2020 International Conference on Actual Problems of Electron Devices Engineering (APEDE’ 2020). MATERIALS OF THE INTERNATIONAL SCIENTIFIC AND TECHNICAL CONFERENCE. Saratov. September 24-25, 2020.: IEEE, 2020. P. 210–213.
The subject of this work is the theoretical optimization of the design and dimensions of the coaxial-radial line (CRL) based on the program for calculating the dispersion characteristics of the CRL. The chosen CRL design allows optimizing the coupling resistance and dispersion of the slow-wave structure. ...
Added: November 13, 2020
Kravchenko N., Mukhin S., Kasatkin A. et al., Journal of Communications Technology and Electronics 2019 Vol. 64 No. 5 P. 517–523
The method of equivalent systems is used to simulate resonator slow-wave structures of beamplasma devices. A collisionless plasma is considered as a filler for the drift channel. The adequacy of the model is shown by comparing the calculation results with known experimental data. The dispersion characteristics of slow-wave systems are analyzed. The structure of the ...
Added: November 28, 2019
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
Kravchenko N., Presnyakov S., Kasatkin A. et al., , in: Proceedings of 2018 Asia-Pacific Microwave Conference.: The Institute of Electronics, Information and Communication Engineers (IEICE), 2018.
This article considers the possibility of expanding the operating band of “chain of coupled resonators”-type slow-wave structure. A waveguide-resonator model which allowed to determine the conditions of the main passband expansion and the coupling impedance increase is utilized. ...
Added: November 30, 2018
Kravchenko N., Izvestiya Vysshikh uchebnykh zavedeniy. Prikladnaya nelineynaya dinamika 2018 Vol. 26 No. 2 P. 69–86
Aim. The main stages of scientific activity of V.A. Solntsev from the student's bench to the leader of the scientific school on radiophysics and microwave electronics are investigated. Method. Based on the primary publications, the main directions of the creative path of the scientist, whom determined the electronic age of the time, are analyzed. Results. ...
Added: November 26, 2018
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
Presnyakov S., Kasatkin A., Kravchenko N. et al., , in: 2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE'2018)Т. 1.: Саратов: IEEE, 2018. P. 405–412.
In this paper, a model describing the discrete interaction of a traveling-wave tube (TWT) with resonator slow-wave structures (SWSs) is considered. The problems of development of TWT are analyzed, and the approaches to finding solutions for these problems are considered. When simulating a TWT section, a chain of sextapoles with combined field and current terminals ...
Added: October 16, 2018
Kravchenko N., Известия высших учебных заведений. Прикладная нелинейная динамика 2018 Т. 26 № 2 С. 69–86
Aim. The main stages of scientific activity of V.A. Solntsev from the student’s bench to the leader of the scientific school on radiophysics and microwave electronics are investigated. Method. Based on the primary publications, the main directions of the creative path of the scientist, whom determined the electronic age of the time, are analyzed. Results. ...
Added: May 17, 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
Kravchenko N., Стромов Ю. В., Чхеидзе А. А. et al., T-Comm: Telecommunications and transport 2017 Vol. 11 No. 4 P. 81–86
Models of slow-wave structures are used in simulating millimetre band devices are considered in the research. It is reasonable to use axially-symmetric slow-wave structures (SWS) for designing millimetre band traveling wave tubes (TWT). Simulating of considered slow-wave structure's 3D model produced in HFSS software package [1]. The program that is outlined in [2] is used ...
Added: June 22, 2017