Recent Development of a 1.5 MW, 140 GHz Continuous-Wave Gyrotron for the Upgraded ECRH System at W7-X

Stefan Illy, Konstantinos A. Avramidis, Zisis C. Ioannidis, Gaetano Aiello, Patrick Benin, Ioannis Chelis, Andreas Dinklage, Gerd Gantenbein, John Jelonnek, Jianbo Jin, Heinrich P. Laqua, Alberto Leggieri, Francois Legrand, Alexander Marek, Stefan Marsen, Ioannis Gr Pagonakis, Tobias Ruess, Tomasz Rzesnicki, Theo Scherer, Dirk Strauss, Manfred Thumm, Ioannis Tigelis, Dietmar Wagner, Joerg Weggen, Robert C. Wolf

2020 45TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)（2020）

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Abstract

To increase the total injected Electron Cyclotron Resonance Heating (ECRH) power in the plasma of the nuclear fusion experiment Wendelstein 7-X (W7-X), an upgrade of the existing gyrotron installation is in progress. The existing ECRH system, currently equipped with ten one-MW-class, 140 GHz continuous wave (CW) gyrotrons, will be augmented by enhanced 1.5 MW tubes, which are based on the successful existing 1 MW gyrotron design.

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Key words

continuous-wave gyrotron,upgraded ECRH system,nuclear fusion experiment Wendelstein 7-X,gyrotron installation,ECRH system,continuous wave gyrotrons,gyrotron design,total injected electron cyclotron resonance heating power,power 1.5 MW,frequency 140.0 GHz,power 1.0 MW

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