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Research of Dispersion Characteristics of “Serpentine” Type Slow-Wave Structures

Student: Chkheidze Agata

Supervisor: Natalia Kravchenko

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

Educational Programme: Infocommunication Technologies and Systems (Bachelor)

Year of Graduation: 2017

The object of research of this work is periodic "serpentine" type slow-wave structures and the calculation of their dispersion characteristics. The purpose of the research is to demonstrate that the slow-wave structures are suitable for use in the terahertz range. In the process of work, a computer model was built using the software package Ansoft HFSS for 3D modeling of microwave devices, and a mathematical model based on the program of the mathematical environment of MathCAD. As a result of the work, an analysis was made of the dispersion characteristics obtained and the characteristics of the coupling resistance. Using the analysis, it can be concluded that "serpentine" type slow-wave structures can be effectively used in the terahertz range. And also it was found out that the presence of a drift channel in slow-wave structures significantly affects the disperse characteristics of this system. The results obtained in this paper can be useful in modeling and developing Traveling-wave tube used in the terahertz range.

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