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  • IEEE_Ka_band_HOM_MBK_v3.1

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Design Study of a High-Power Ka-Band High-Order-Mode Multibeam Klystron

Research output: Contribution to journalJournal articlepeer-review

Published
<mark>Journal publication date</mark>1/12/2020
<mark>Journal</mark>IEEE Transactions on Electron Devices
Issue number12
Volume67
Number of pages7
Pages (from-to)5736 - 5742
Publication StatusPublished
Early online date20/10/20
<mark>Original language</mark>English

Abstract

Compactness and cost-effectiveness are two major concerns in the development of a Ka-band linearizer, which is a crucial accelerator component of the European
CompactLight project. A higher order mode (HOM) multibeam Klystron (MBK) could accommodate a higher distributed electron current with a low operating voltage of 60 kV, thus making it competitive to deliver high RF power at high frequency compared with a single beam Klystron or a fundamental mode MBK. In this article, the modeling and design study of the 36-GHz HOM MBK is presented.
The development of a double compression multibeam (MB) optics system is also elaborated in this article. The performance validation of such a device was done using sophisticated 3-D particle-in-cell (PIC) computer simulations of the
entire device. PIC simulations confirmed that a power level of 2.5 MW is attainable with an efficiency of 35%.

Bibliographic note

©2020 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.