Traveling wave tubes are rapidly evolving to provide unprecedented power level in
comparison to solid state devices in the millimeter waves region of the spectrum (80–300 …

Lately, R&D of microwave vacuum electron devices (MVEDs) has played a very important
role in the technologies of broadcasting, communication, radar, remote imaging, electronic …

We present the theory, concept and design of an efficient, megawatt coherent Cherenkov
radiation source based on a two-dimensional periodic surface lattice (2D-PSL) cavity …

We present the theory, design, and numerical modeling of a cylindrical, two-dimensional
periodic surface lattice (2D-PSL) intended for use as the interaction region of an electron …

A backward wave oscillator (BWO) based on a double-staggered grating (DSG) slow wave
structure (SWS) is investigated as a high-power wideband terahertz (THz) source, driven by …

We proposed a newly devised method for measuring the complex permittivity of high-loss
materials at the millimeter wave frequency range. In this paper, we employed a geometrical …

A novel concept of combining the advantages of pseudospark (PS)-sourced electron beam
(high beam current density), multiple-sheet-electron-beams (large total beam cross …

We present the theory, design, and numerical modeling of novel, pulsed sub-THz oscillators
based on cylindrical, 2-D periodic surface lattice (PSL) interaction cavities. Investigation of …

The results of the development of compact radiation module based on a 300 GHz
continuous-wave (CW) clinotron are presented. The clinotron oscillator is proposed as a part …

Advances in manufacturing technology are allowing for the realization of interaction circuit
with microstructures. The capability to produce small circuit structures is allowing new …