Modeling of the Millimeter-Wave Traveling Wave Tube

Student: Martynov Andrey

Supervisor: Sergei A. Khritkin

Faculty: HSE Tikhonov Moscow Institute of Electronics and Mathematics (MIEM HSE)

Educational Programme: Infocommunication Technologies and Systems (Bachelor)

Year of Graduation: 2019

The thesis is devoted to modeling the TWT of the millimeter-wavelength range using three-dimensional modeling programs. The developed model and comparison of the results will make it possible to determine the most effective version of the wave-guiding structures of traveling-wave tubes of the millimeter-wave range. The first chapter provides an overview of the current literature on the domain of TWTs and moderating systems, discusses the basic concepts and principles of operation of the TWT, as well as current problems in this area. In the second chapter, the design and methods for calculating the spiral retarding system are considered, including the algorithm and the interface of the calculation program. The third chapter describes the simulation results, on the basis of which the basic design parameters of the interaction space were obtained, providing the necessary output characteristics of the millimeter-range spiral TWT to meet the requirements of the technical specification. As a result of the final qualifying work on modeling a spiral lamp traveling wave of millimeter range, a review of the literature, outlines the methods of numerical simulation and obtained the following results: 1. On the basis of the conducted numerical simulation, the main electrodynamic and design parameters of the spiral slowing-down system are determined. 2. The main structural parameters of the interaction space were obtained, providing the necessary output characteristics of the millimeter-range spiral TWT to meet the requirements of the technical specification. 3. The carried out numerical simulation of the electrodynamic characteristics of the spiral slowing down system, the output of the energy and the output characteristics of the device can be used further for the development of design documentation and further production of experimental models of TWT of millimeter wavelength range.

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