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Modeling and Technical Design Study of Two-Stage Multibeam Klystron for CLIC

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<mark>Journal publication date</mark>1/08/2020
<mark>Journal</mark>IEEE Transactions on Electron Devices
Issue number8
Number of pages7
Pages (from-to)3362-3368
Publication StatusPublished
Early online date12/06/20
<mark>Original language</mark>English


The RF power production efficiency is one of the major concerns in the 3-TeV Compact Linear Collider (CLIC) Drive Beam Accelerator, as it is responsible for almost 50% of the entire accelerator complex power consumption. The klystron technology with dc post acceleration of the prebunched beam was reconsidered recently, as an attempt to develop a technological solution for the high efficiency, high power {L} -band multibeam klystrons (MBKs). In this article, the modeling and design study of the CLIC MBK with two-stage (TS) configuration is presented. The CLIC TS MBK performance validation has been done using the sophisticated 3-D particle-in-cell computer simulations of the entire device.