The traveling-wave tube (TWT), also known as the traveling-wave amplifier (TWA) or
traveling-wave tube amplifier (TWTA), is a widely used amplifier in satellite communications …

The folded waveguide (FWG) traveling wave tube (TWT) developed in the frame of the
Horizon 2020 TWEETHER project for enabling a novel-band (92–95 GHz) high capacity …

An analytical model of current propagation in a helical coil with varying geometry is
developed. It can be used for post-acceleration and post-focusing of ions produced via laser …

Many-particle time domain methods are rising alternatives to particle-in-cell (PIC) or
frequency methods to simulate the wave–beam interactions in traveling wave tubes (TWTs) …

Evanescent mode oscillators (EMOs) were systematically introduced as high-efficiency
sources of millimeter waves and terahertz (THz) oscillations, recently. They use the …

We propose a multi-particle self-consistent Hamiltonian (derived from an N-body
description) that is applicable for periodic structures, such as traveling-wave tubes (TWTs) …

DIMOHA is a many-particle time-domain model offering a good balance between exhaustive
physics and time efficiency. We apply this model to study the effects of defects and …

We investigate the interaction of electromagnetic waves and electron beams in a 4 m long
traveling wave tube (TWT). The device is specifically designed to simulate beam-plasma …

The propagation of the hybrid slow waves in the new helix traveling wave tube, including a
dielectric rod, gas plasma layer, and helix sheath is examined. It is assumed that the plasma …

The traveling wave tube (TWT), which has been widely used as an amplifier in radar,
satellite transponders, electronic warfare, and self-protection systems, is an important …