High power vacuum electronic devices of millimeter wave to terahertz regime are attracting
extensive interests due to their potential applications in science and technologies. In this …

This paper presents the results of numerical and experimental study of a Ka-band relativistic
Cherenkov oscillator with average diameter of the slow-wave structure D≈ 2.6 λ.(λ is a …

We present a charge-conservative electromagnetic particle-in-cell (EM-PIC) algorithm
optimized for the analysis of vacuum electronic devices (VEDs) with cylindrical symmetry …

To increase the generation efficiency of the terahertz wave in the Y band, the idea of dual-
reflector is introduced in the relativistic surface wave oscillator (SWO) with large oversized …

A high performance continuous-wave (CW) backward wave oscillator (BWO) with planar
slow wave structure (SWS) and sheet electron beam in Y-band is presented in this paper …

We studied the operation of an oversized backward wave oscillator driven by an electron
beam with energy less than 100 keV for terahertz radiation. Cylindrical slow wave structures …

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 …

The stability of the circuit and the tolerance during the manufacture process are theoretically
studied in the design of 0.34 THz extended interaction klystron, which are helpful to increase …

Within the quasi-optical approach, we investigate the propagation of azimuthally symmetric
TM waves in periodically corrugated cylindrical waveguides and their excitation by …

We present the results of simulations and experimental studies of a W-band surface-wave
oscillator powered by a ribbon high-current relativistic electron beam produced by SINUKI …