2013•International Crimean Conference Microwave and Telecommunication TechnologyRequires access

Forming of high current density electron beams for terahertz vacuum amplifiers

Anton A. Burtsev, Yu. A. Grigoriev, Igor A. Navrotskiy, V. I. Schesterkin, Denis Denisov

Abstract

The results of computer analysis of high current density electron beams for THz vacuum electron devices are presented. The analysis of magnetic focusing of the low perveance electron flows in electron optical systems with the guns using the thermionic and field emission cathodes is carried out at the current density more than 100-300 A/cm2 in drift space.

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Available abstract

Key concepts: Perveance, Terahertz radiation, Thermionic emission, Current density, Electron, Cathode, Current (fluid), Electron gun