A semi-implicit electromagnetic FEM-PIC scheme with exact energy and charge conservation
This article presents a new charge-and energy-conserving semi-implicit method (ChECSIM)
for the Vlasov-Maxwell system. The Particle-in-Cell space discretization involves a structure …
for the Vlasov-Maxwell system. The Particle-in-Cell space discretization involves a structure …
A computationally efficient two-dimensional model of the beam–wave interaction in a coupled-cavity TWT
A new computationally efficient 2-D model of the beam-wave interaction in coupled-cavity
traveling-wave tubes (CC-TWTs) has been developed. The model provides self-consistent …
traveling-wave tubes (CC-TWTs) has been developed. The model provides self-consistent …
High-power four-cavity S-band multiple-beam klystron design
KT Nguyen, DK Abe, DE Pershing… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
We develop a methodology for the design of multiple-cavity klystron interaction circuits. We
demonstrate our approach with the detailed design of a collector and a four-cavity circuit for …
demonstrate our approach with the detailed design of a collector and a four-cavity circuit for …
[HTML][HTML] New high-efficiency resonant O-type devices as the promising sources of microwave power
A Baikov, O Baikova - Energies, 2020 - mdpi.com
New O-type high-power vacuum resonant microwave devices are considered in this study:
COM klystrons, CSM klystrons and resotrodes. All these devices can output a large amount …
COM klystrons, CSM klystrons and resotrodes. All these devices can output a large amount …
Advances in the theory and modeling of linear beam VE amplifiers
We present an overview of the progress made by our Naval Research Laboratory (NRL)-
based group over the last 25 years in the development of computational tools used in the …
based group over the last 25 years in the development of computational tools used in the …
High efficiency, low cost, RF sources for accelerators and colliders
Abstract Accelerators for High Energy Physics (HEP) are large users of energy, much of it in
the form of radiofrequency (RF) power to accelerate particles to very high energies …
the form of radiofrequency (RF) power to accelerate particles to very high energies …
Simulation of klystrons with slow and reflected electrons using large-signal code TESLA
IA Chernyavskiy, AN Vlasov… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
The problem of modeling slow and reflected electrons that appear during operation of high-
power klystrons is discussed. These electrons are not only problematic for the operation of …
power klystrons is discussed. These electrons are not only problematic for the operation of …
Parallel simulation of independent beam-tunnels in multiple-beam klystrons using TESLA
We present an extension of the klystron simulation code TESLA to model multiple-beam
klystrons (MBKs) in which interaction parameters may vary significantly from beam-tunnel to …
klystrons (MBKs) in which interaction parameters may vary significantly from beam-tunnel to …
Experimental study and analysis of an S-band multiple-beam klystron with 6% bandwidth
DK Abe, DE Pershing, KT Nguyen… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
We present experimental results and analyses of an eight-beam five-cavity multiple-beam
klystron (MBK) operating at a center frequency of ∼ 3.2 GHz. The device met its …
klystron (MBK) operating at a center frequency of ∼ 3.2 GHz. The device met its …
From 2.5-D to 1.5-D: Fast, Reduced-Order Simulations With the TESLA-Family of Large-Signal Codes
IA Chernyavskiy - IEEE Transactions on Electron Devices, 2023 - ieeexplore.ieee.org
This study presents the introduction of the reduced-order, 1.5-D versions of the TESLA-
family of 2.5-D large-signal codes, which have been implemented by simplifications in the …
family of 2.5-D large-signal codes, which have been implemented by simplifications in the …