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Jérémy Genoud

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SPC - TCV Tokamak Physics

EPFL
SB
SPC
SPC-TCV

PHYS-106(b): General physics : thermodynamics

Le but du cours de Physique générale est de donner à l'étudiant les notions de base nécessaires à la compréhension des phénomènes physiques. L'objectif est atteint lorsque l'étudiant est capable de pr

Cavity Design for a High-Power, Frequency-Agile 198 GHz Gyrotron

Jean-Philippe Hogge, Jérémy Genoud

Gyrotrons are high-power microwave sources, readily applied in diverse fields ranging from fusion research and thermal treatment of materials to advanced spectroscopic techniques. Here, we provide the cavity design of a 198 GHz gyrotron to generate microwa ...

2025

Effects of reflected electrons on the efficiency of high-power gyrotrons

Jean-Philippe Hogge, Jérémy Genoud

Efficiency is a key factor for high-power gyrotrons, particularly in future fusion power plants, where a large number of gyrotron units will be required for plasma heating. A single-stage depressed collector enhances efficiency from approximately 35% to 50 ...

2025

Effect of Ion Irradiation on the Surface Electrical Conductivity of Cucrzr at High Frequencies

Timothy Goodman, Jean-Philippe Hogge, René Chavan, Jérémy Genoud, Avelino Mas Sanchez, Anastasia Xydou

The ohmic losses in the Electron Cyclotron Heating system of the DEMO nuclear fusion reactor depend on the surface electrical conductivity of the material at the frequency of the mm-wave beams generated in the gyrotrons. To reduce the ohmic losses, many co ...

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