Calculations of Multipactor Growth in Rectangular Waveguide

Research output: Contribution to journalArticle

Abstract

Multipactor growth in rectangular waveguides is probed based on a kinetic approach. Unlike most studies relying on the Vaughan model, a probabilitic approach for random multiple secondary particle emissions is used. Spread in electron emission velocities, the angular dependence of secondary emission yields, and an external radio frequency (RF) driving field due to a TE10 mode, were all built in. The calculations predict the secondary emission yield for copper, probe the population growth dynamics, and obtain the susceptibility diagram. Despite a maximum field at the waveguide center from the RF excitation, maximum electron densities are predicted at locations symmetrically displaced from the center. The SEY characteristics, its local maxima, and the role of oblique incident angles, collectively lead to multipactor finding its place at off-center locations
Original languageEnglish
Pages (from-to)1364 - 1371
JournalIEEE Transactions on Plasma Science
DOIs
StatePublished - Jan 15 2019

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