This review paper is based on the invited talk presented by the same authors at the 8th
International Workshop on Far-Infrared Technologies (IW-FIRT 2021). It overviews some …

We review the development of radiation sources and present the most notable examples of
the use of gyrotrons in spectroscopy and material diagnostics. We describe the main …

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 …

A 263 GHz continuous-wave (CW) gyrotron was developed at the IAP RAS for future
applications as a microwave power source in Dynamic Nuclear Polarization/Nuclear …

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

In this paper, we present some of the most significant recent results that characterize the
state of the art in the development of sub-THz and THz gyrotrons at IAP-RAS and FIR-UF …

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 …

In this review paper, we present the recent progress in the development of a series of
gyrotrons at the Research Center for Development of Far-Infrared Region, University of …

A method of improving the selectivity of open cavities of electron cyclotron masers
(gyrotrons) operating at high cyclotron harmonics in the terahertz frequency range is …

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 …