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

The last decade has contributed to the rapid progress in the gyrotron development.
Megawatt-class, continuous wave gyrotrons are employed as high-power millimeter (mm) …

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 …

Plasma created in focused beams of electromagnetic waves in the terahertz frequency
range is a fairly new object in gas discharge physics. The specified range, located between …

This article presents the results of experimental studies on radiation flux generation in the
submillimeter wavelength range due to a strong beam–plasma interaction. A relativistic …

We discuss a concept of a pointlike source of extreme-ultraviolet (EUV) light based on a
nonequilibrium microwave discharge in an expanding jet of dense xenon plasma with …

We report on the first direct demonstration of the possibility to generate extreme ultraviolet
(EUV) radiation with a freely expanding jet of dense plasma with multiply charged ions …

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 …

To explore the approach for generating high-power frequency-tunable subterahertz (sub-
THz) to THz radiation, a 220-GHz high-order axial modes (HOAMs) gyrotron is developed …

Megawatt (MW) gyrotrons, with a wide frequency range from 14 to 300 GHz, are being
developed as part of a collaborative electron cyclotron heating (ECH) study for advanced …