Research focuses on improving gyrotrons for plasma heating, indicating they must achieve higher efficiency and RF output power.
Recent advancements in fusion power have led to focused research on cost-effective electricity generation. While plasma physics studies continue, researchers are also working on practical challenges, such as protecting the reactor walls, managing tritium fuel, and improving plasma heating devices. It is anticipated that electron cyclotron heating will be a primary heating mechanism and that improved gyrotrons will be required. Economical fusion power will require gyrotrons that are lower cost and more efficient than currently available. Key requirements will be efficiency higher than 60% and a radio frequency (RF) output power in waveguide. This will also require advanced power supply systems.
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Ives et al. (2025) studied this question.
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