The electron cyclotron maser (ECM) is based on a stimulated cyclotron emission process
involving energetic electrons in gyrational motion. It constitutes a cornerstone of relativistic …

The gyrotron traveling-wave tube (gyro-TWT) is a millimeter-wave amplifier based on the
electron cyclotron maser instability. It is a device of increasing importance because of its …

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 …

Physics and technology issues of importance to the high-gain gyrotron traveling wave
amplifier (gyro-TWT) are investigated in theory and experiment. The gyro-TWT is known to …

First bandwidth measurements of a novel gyrotron amplifier are presented. The coupling
between the second harmonic cyclotron mode of a gyrating electron beam and the radiation …

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 present the results of experiments on the generation of periodical trains of
subnanosecond K a-band pulses in the electron generator, which is based on passive mode …

Experimental operation of a gyrotron traveling wave amplifier with a helically corrugated
waveguide using a thermionic cathode electron gun is presented. The coupling between the …

Broadband HE 11 mode output windows, based on the multilayer concept, are studied for
high power gyro-amplifiers operating in the low terahertz region. As the wave power in the …