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 …

Nowadays, gyrotrons are used in numerous and diverse fields of research and technology.
Their most prominent application is to electron cyclotron resonance plasma heating and …

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 …

Coherent subterahertz radiation is achieved in an electron cyclotron maser (large-orbit
gyrotron configuration) operating at a higher cyclotron harmonic in the continuous-wave …

Pulsed dynamic nuclear polarization (DNP) techniques can accomplish electron-nuclear
polarization transfer efficiently with an enhancement factor that is independent of the …

Recent hot test details and inspiring results of the W-band lossy-dielectric-loaded gyrotron
traveling-wave tube (gyro-TWT) developed at the University Electronic Science and …

Overall design and cold test of a G-band gyrotron traveling-wave tube (gyro-TWT) amplifier
are presented. This gyro-TWT aims at achieving a goal of 10-kW pulse output power in the …

The application of radio frequency (RF) vacuum electronics for the betterment of the human
condition began soon after the invention of the first vacuum tubes in the 1920s and has not …

Dynamic nuclear polarization (DNP) is a technique that permits the sensitivity of nuclear
magnetic resonance (NMR) experiments to be enhanced by a factor of (γ e/γ n) where the γ's …

Dynamic nuclear polarization (DNP) has emerged as a powerful sensitivity booster of
nuclear magnetic resonance (NMR) spectroscopy for the characterization of biological …