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Theoretical Study on the Operation of the EU/KIT TE34,19-Mode Coaxial-Cavity Gyrotron at 170/204/238 GHz

Ruess, Tobias; Avramidis, Konstantinos A.; Gantenbein, Gerd; Illy, Stefan; Ioannidis, Zisis C.; Jin, Jianbo; Kalaria, Parth; Pagonakis, Ioannis Gr.; Ruess, Sebastian; Rzesnicki, Tomasz; Thumm, Manfred; Jelonnek, John

Abstract (englisch):
The 170 GHz 2 MW TE34,19-mode coaxial-cavity modular short-pulse pre-prototype gyrotron at KIT was recently modified in order to verify the multi-megawatt coaxial-cavity technology at longer pulses. In parallel, theoretical investigations on a possibility to operate the 170 GHz TE34,19-mode coaxial-cavity prototype at multiple frequencies up to 238 GHz have been started, with a goal to find a configuration at which the tube could operate in the KIT FULGOR gyrotron test facility using the new 10.5 T SC magnet. This paper indicates which adjustments have to be made and show the feasibility of the multi-frequency operation. Small modifications at the gyrotron cavity will support an RF output power of more than 2 MW at 170/204 GHz. Furthermore, a new gyrotron launcher has been designed capable of producing a Gaussian microwave beam with a Gaussian mode content of more than 96% at these frequencies.

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Verlagsausgabe §
DOI: 10.5445/IR/1000092688
Veröffentlicht am 26.03.2019
Originalveröffentlichung
DOI: 10.1051/epjconf/201920304014
Coverbild
Zugehörige Institution(en) am KIT Institut für Hochfrequenztechnik und Elektronik (IHE)
Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM)
Publikationstyp Zeitschriftenaufsatz
Jahr 2019
Sprache Englisch
Identifikator ISSN: 2100-014X
urn:nbn:de:swb:90-926888
KITopen-ID: 1000092688
HGF-Programm 31.03.02 (POF III, LK 01)
Erschienen in The European physical journal / Web of Conferences
Band 203
Seiten Article no: 04014
Projektinformation EUROfusion (EU, H2020, 633053)
Vorab online veröffentlicht am 25.03.2019
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