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MAGIC-2D simulations of high efficiency hollow beam klystrons

Research output: Contribution to conference - Without ISBN/ISSN Conference paper

Published
Publication date18/07/2016
Number of pages2
Original languageEnglish
EventNational Vacuum Electronics Conference (NVEC) 2016 - Lancaster University, Lancaster, United Kingdom
Duration: 18/07/201618/07/2016

Conference

ConferenceNational Vacuum Electronics Conference (NVEC) 2016
Abbreviated titleNVEC 2016
CountryUnited Kingdom
CityLancaster
Period18/07/1618/07/16

Abstract

Results from MAGIC-2D simulations of hollow beam, 800 MHz klystrons, with efficiencies on the order of 85% are presented. Such tubes employ the core oscillation method of electron bunching, which allows for most electrons in the beam to be contained within the bunch at the output cavity. By moving towards hollow beam geometries, the bunch at the output cavity presents a favourable phase and spatial profile for energy extraction, and thus, the overall tube efficiency can be maximised.