2026
conference-paper
OpenAlex
Alberto Leggieri, Konstantinos A. Avramidis, Francis Bouquey, Ioannis Chelis et autres
This paper reports the design, manufacturing, and testing of the THALES TH1511 $105 \mathrm{GHz}, 1 \mathrm{MW} \mathrm{CW}$ gyrotron for WEST. The prototype was tested in short pulses at KIT, demonstrating 1.2 MW power and $46 \%$ efficiency capabilities with readiness for long …
gr, fr, de
(code pays fourni par la source)
2026
conference-paper
OpenAlex
Alberto Leggieri, Konstantinos A. Avramidis, Nikolai de Boucaud, Loannis Chelis et autres
This paper presents the design, fabrication and preliminary assessment of the THALES TH1512 1 MW 117.5 GHz CW gyrotron, dedicated to the DIII-D fusion facility. Short pulse tests at KIT demonstrated 1.3 MW output and $48\%$ efficiency with readiness for long-pulse operation.
gr, us, de
(code pays fourni par la source)
2025
conference-paper
OpenAlex
S. Ponomarenko, H. P. Laqua, K. A. Avramidis, Lukas Feuerstein et autres
We present and discuss the results of experimental studies on the excitation of parasitic oscillations occurring near 122.5 GHz and 134.7 GHz, in the prototype tube for the 1.5-MW-class continuous-wave Thales gyrotron TH1507U. They limit the output power to 1.3 MW.
de, gr, au
(code pays fourni par la source)
2025
conference-paper
OpenAlex
Alberto Leggieri, Jérémy Gontard, François Legrand, Gerald Lietaer et autres
The first 140 GHz 1.5 MW CW (1800 s) industrial gyrotron (TH1507U), manufactured by THALES for the W7-X stellarator, has established a worldwide record in its category by demonstrating 1.3 MW output power in long pulse operation. The main features of the …
pt, de, gr, it
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Sergey S. Ponomarenko, H. P. Laqua, Konstantinos A. Avramidis, G. Gantenbein et autres
In this work, we present the achievements obtained during the commissioning phase of the newly developed 140-GHz continuous-wave tube TH1507U at the gyrotron test stand of the electron-cyclotron resonance heating facility of the Wendelstein 7-X stellarator. The gyrotron is based on the …
de, gr
(code pays fourni par la source)
2022
conference-paper
OpenAlex
Alberto Leggieri, Ferran Albajar, S. Alberti, Andrea Allio et autres
The progress of the Thales TH1509U 170 GHz 1 MW CW industrial gyrotron is discussed in this paper. The tube is currently under test to assess the compliance with the ITER gyrotron requirements.
es, it, de, gr
(code pays fourni par la source)
Accès ouvert
2021
conference-paper
OpenAlex
Alberto Leggieri, David Bariou, Virgile Hermann, François Legrand et autres
This paper describes the status on the upgrade of the first European gyrotron prototype for ITER, manufactured by Thales. The upgraded prototype, TH1509U, is now being tested to verify the performance improvements and to assess the compliance with ITER ECRH requirements.
es, de, ch, it, gr
(code pays fourni par la source)
Accès ouvert
2016
conference-paper
OpenAlex
Yoann Rozier, Ferran Albajar, S. Alberti, Konstantinos A. Avramidis et autres
An industrial 1 MW, 170 GHz continuous-wave (CW) gyrotron prototype has been manufactured in 2015 at Thales. The physical design is provided by the European GYrotron Consortium (EGYC) and is supported by the construction and the measurement of a modular short-pulse (SP) …
fr, de, es
(code pays fourni par la source)
2012
conference-paper
OpenAlex
John Jelonnek, Harald Braune, Gunter Dammertz, Volker Erckmann et autres
The construction of the 140 GHz, 1 MW CW gyrotrons for the 10 MW ECRH system of the stellarator W7-X at IPP Greifswald is ongoing. While acceptance testing of the gyrotrons is progressing, reliable output parameters and stable production have been achieved. …
de, fr
(code pays fourni par la source)
2007
conference-paper
OpenAlex
G. Gantenbein, Gunter Dammertz, Volker Erckmann, S. Illy et autres
This paper reports on the status of the 140 GHz, 1 MW, CW series gyrotrons for the stellarator W7-X. High power experiments have been performed at pulse length of up to 1800 s and an output power of up to 1.05 MW.
de, fr
(code pays fourni par la source)