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physics.plasm-ph2025
Super-exponential Amplification of Wavepacket Propagation in Traveling Wave Tubes
Kasra Rouhi, Filippo Capolino, Alexander Figotin
We analyze wavepacket propagation in traveling wave tubes (TWTs) analytically and numerically. TWT design in essence comprises a pencil-like electron beam in vacuum interacting wit…
physics.plasm-ph2024★ 3 cited
Small-Signal Model for Inhomogeneous Helix Traveling-Wave Tubes using Transfer Matrices
Robert Marosi, Kasra Rouhi, Tarek Mealy +2
Abstract We introduce a practical method for modeling the small-signal behavior of frequency-dispersive and inhomogeneous helix-type traveling-wave tube (TWT) amplifiers based on a…
physics.plasm-ph2023
The Field Theory of Collective Cherenkov Radiation Associated with Electron Beams
Edl Schamiloglu, Alexander Figotin
Classical Cherenkov radiation is a celebrated physics phenomenon of electromagnetic (EM) radiation stimulated by an electric charge moving with constant velocity in a three dimensi…