Backward-wave oscillation suppression in helix traveling-wave tubes by magnetic field tapering

Publisher DOI:	10.1109/IVEC.2017.8289619
Title:	Backward-wave oscillation suppression in helix traveling-wave tubes by magnetic field tapering
Language:	English
Authors:	Hägermann, Moritz Birtel, Philip Meyne, Sascha Safi, Djamschid Jacob, Arne
Issue Date:	2017
Publisher:	IEEE
Source:	International Vacuum Electronics Conference (IVEC 2017)
Abstract (english):	Two techniques for suppressing backward-wave oscillations in homogeneous helix sections of traveling-wave tubes are presented. For this purpose, the focusing magnetic field is modified. The first technique aims at compressing the electron beam in order to reduce beam-wave coupling. The second one changes the beam rotation to affect the backward-wave interaction. Both techniques increase the margin against backward-wave oscillations significantly. Theory and simulation results are presented and compared.
Conference:	18th International Vacuum Electronics Conference, IVEC 2017
URI:	http://hdl.handle.net/11420/2457
ISBN:	978-1-5090-5915-7
Institute:	Hochfrequenztechnik E-3
Document Type:	Chapter/Article (Proceedings)
Project:	Vollständig kaskadierte Simulation von schmalbandigen Phänomenen und Asymmtrien in Wanderfeldröhren
Appears in Collections:	Publications without fulltext

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