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: 9-Feb-2018
Publisher: IEEE
Source: IVEC 2017 - 18th International Vacuum Electronics Conference (2018-January): 1-2 (2018-02-09)
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 
ISBN: 978-1-5090-5915-7
Institute: Hochfrequenztechnik E-3 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
Project: Vollständig kaskadierte Simulation von schmalbandigen Phänomenen und Asymmtrien in Wanderfeldröhren 
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