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

Publikationstyp
Conference Paper
Date Issued
2017
Sprache
English
Author(s)
Hägermann, Moritz  orcid-logo
Birtel, Philip  
Meyne, Sascha  
Safi, Djamschid  orcid-logo
Jacob, Arne  
Institut
Hochfrequenztechnik E-3  
TORE-URI
http://hdl.handle.net/11420/2457
Start Page
1
End Page
2
Citation
International Vacuum Electronics Conference (IVEC 2017)
Contribution to Conference
18th International Vacuum Electronics Conference, IVEC 2017  
Publisher DOI
10.1109/IVEC.2017.8289619
Scopus ID
2-s2.0-85047359470
Publisher
IEEE
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.
DDC Class
600: Technik
Funding(s)
Vollständig kaskadierte Simulation von schmalbandigen Phänomenen und Asymmtrien in Wanderfeldröhren  
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