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Parasitic-modes free, high-performance operation of the European 1 MW, 170 GHz Short-Pulse Prototype Gyrotron for ITER

Rzesnicki, Tomasz 1; Avramidis, K. A.; Gantenbein, Gerd 1; Feuerstein, Lukas ORCID iD icon 1; Illy, Stefan 1; Jelonnek, Jelonnek 1; Jin, Jianbo 1; Leggieri, A.; Legrand, F.; Lievin, C.; Ruess, Tobias ORCID iD icon 1,2; Stanculovic, Sebastian 1; Thumm, Manfred 1
1 Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM), Karlsruher Institut für Technologie (KIT)
2 Institut für Hochfrequenztechnik und Elektronik (IHE), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

The short-pulse (SP) prototype tube has been initially manufactured at KIT in 2015 to support the development of the European 1 MW, 170 GHz, CW gyrotron for ITER [1]. The SP gyrotron is in operation and used for testing and experimental validation of new gyrotron subcomponents for further improvements of the gyrotron performance. The very recent experiments were dedicated to the investigations of further enhancement of the gyrotron stability by the suppression of parasitic oscillations, observed during the previous gyrotron experimental campaigns. With recent modifications on the gyrotron setup, encouraging results have been achieved. In particular, for the first time a parasitic-modes free operation, in a very broad range of parameters, stable operation has been observed, leading to a significant improvement of the gyrotron overall performance. Achieved results will be presented in this paper.

Zugehörige Institution(en) am KIT Institut für Hochfrequenztechnik und Elektronik (IHE)
Institut für Hochleistungsimpuls- und Mikrowellentechnik (IHM)
Publikationstyp Vortrag
Publikationsmonat/-jahr 09.2023
Sprache Englisch
Identifikator KITopen-ID: 1000162323
HGF-Programm 31.13.02 (POF IV, LK 01) Plasma Heating & Current Drive Systems
Veranstaltung 48th International Conference on Infrared, Millimeter, and THz Waves (IRMMW-THz 2023), Montreal, Kanada, 17.09.2023 – 22.09.2023
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