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Design and development of the actively cooled ion cyclotron travelling wave array system for WEST

Year: 2026
Type: article
Abstract: This paper presents the preliminary design of the Ion Cyclotron Range of Frequency (ICRF) Travelling Wave Array (TWA) system for the WEST facility. The TWA system aims to address the limitations of current ICRF launchers, focusing on improved coupling, reduced voltages and RF sheaths and enhanced reliability. The project is staged in two phases: first, a direct feeding scheme will be used, and later a resonant ring feeding circuit will be installed. This paper outlines the main milestones, plasma scenarios, RF design and mechanical challenges along with the experimental program planned for the WEST TWA system.
DOI: 10.1051/epjconf/202634603003/pdf
Authors: Julien Hillairet, Vincent Maquet, Riccardo Ragona, Tristan Batal, Sylvain Burles, Zhaoxi Chen, Laurent Colas, Rémi Dumont, Florian Dupin, Frédéric Durand, Frédéric Durodié, Nicolas Faure, Silvia Garitta, Lara Hijazi, Nicolas Lapcevic, Itziar Minondo, Raphaël Mitteau, Benoit Salamon, Benjamin Santraine, Dimitri Tainturier, Genmu Shi
Institutions: Commissariat à l'Énergie Atomique et aux Énergies Alternatives, CEA Cadarache, Institut de Recherche sur la Fusion par confinement Magnétique, Technical University of Denmark, Chinese Academy of Sciences, Hefei Institutes of Physical Science, Institute of Plasma Physics
Language: English
Open Access status: green
OpenAlex ID: W7119467065
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