In many tokamak and stellarator experiments around the globe that are investigating energy
production via controlled thermonuclear fusion, electron cyclotron heating and current drive …

This paper presents a review of the experimental achievements related to the development
of high-power gyrotron oscillators for long-pulse or CW operation and pulsed gyrotrons for …

Long-term options for a steady-state DEMOnstration power plant may require the availability
of gyrotrons with an operating frequency significantly above 200 GHz together with an RF …

Gyrotron oscillators (gyromonotrons) are mainly used as high power millimeter wave
sources for electron cyclotron resonance heating (ECRH), electron cyclotron current drive …

Gyrotron oscillators (gyromonotrons) are mainly used as high power millimeter wave
sources for electron cyclotron resonance heating (ECRH), electron cyclotron current drive …

We propose a robust way of advancement of the gyrotrons into the region of terahertz
frequencies and MW-level power of radiation while retaining high efficiency and high …

This report presents an update of the experimental achievements published in the review
“State-of-the-Art of High-Power Gyro-Devices and Free Electron Masers”, Journal of Infrared …

For the development of a DEMOnstration Fusion Power Plant the design of auxiliary heating
systems is a key activity in order to achieve controlled burning plasma. The present heating …

Gyrotron R&D within the EUROfusion Work Package Heating and Current Drive (WPHCD) is
addressing the challenging requirements posed on gyrotrons by the European concept for a …

High frequency (> 230 GHz) megawatt-class gyrotrons are planned as RF sources for
electron cyclotron resonance heating and current drive in DEMOnstration fusion power …