Publisher DOI: 10.1109/IVEC.2017.8289619
Title: Backward-wave oscillation suppression in helix traveling-wave tubes by magnetic field tapering
Language: English
Authors: Hagermann, Moritz 
Birtel, Philip 
Meyne, Sascha 
Safi, Djamschid 
Jacob, Arne 
Issue Date: 9-Feb-2018
Source: IVEC 2017 - 18th International Vacuum Electronics Conference (2018-January): 1-2 (2018-02-09)
Journal or Series Name: IVEC 2017 - 18th International Vacuum Electronics Conference 
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.
URI: http://hdl.handle.net/11420/2457
ISBN: 978-150905915-7
Institute: Hochfrequenztechnik E-3 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
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