Using the quasi-optical approach, we investigate wave propagation along the periodically
corrugated surfaces and their interaction with rectilinear relativistic electron beams (REBs) …

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 …

We present the results of experiments on generation of high-power superradiant (SR) pulses
by an extended electron bunch moving in a cylindrical surface-wave structure with two …

Based on a quasioptical approach and direct particle-in-cell simulations, we study dynamics
of oversized relativistic surface-wave oscillators (SWOs) of the Cherenkov type with 2D …

We report of the implementation of a strongly oversized W-band surface-wave oscillator
(SWO) based on a 2D-periodical cylindrical slow-wave structure (2D SWS). In contrast to the …

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 …

A comprehensive study of the properties of electromagnetic eigenwaves propagating
perpendicular to the axis of symmetry in various cylindrical waveguide-structures filled with …

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 …

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 …

Experimental study on high-power subterahertz waves generated by an overmoded surface
wave oscillator (SWO) is carried out in this paper. With accurate fabrication and assembly …