Wave mode instabilities in a two-stream free-electron laser with a background plasma

S Nadrifard, B Maraghechi… - Plasma Physics and …, 2013 - iopscience.iop.org
A theory is presented for a two-stream free-electron laser (FEL) with a background plasma. A
dispersion relation (DR) for the unstable couplings of wave modes is derived using fluid …

Nonlinear study of an ion-channel guiding free-electron laser

Z Ouyang, SC Zhang - Physics of Plasmas, 2015 - pubs.aip.org
A nonlinear model and simulations of the output power of an ion-channel guiding free-
electron laser (FEL) are presented in this paper. Results show that the nonlinear output …

Focusing peculiarities of ion-channel guiding on a relativistic electron beam in a free-electron laser with a three-dimensional wiggler

Z Ouyang, SC Zhang - Laser Physics, 2014 - iopscience.iop.org
In a free-electron laser the'natural focusing'effect of a three-dimensional wiggler is too weak
to confine the transport of a relativistic electron beam when the beam has a high current and …

Dispersion relation and growth rate in two-stream thermal plasma-loaded free-electron laser with helical wiggler

S Meydanloo, S Saviz - Journal of Theoretical and Applied Physics, 2015 - Springer
Linear theory of the two-stream free-electron laser consisting of a relativistic electron beam
transported along the axis of thermal plasma-loaded helical wiggler is proposed and …

Comparative study of electron motion and stability for different focusing regimes in a free-electron laser with three-dimensional helical wiggler

JY Xu, SJ Wang, YG Xu, YP Ji, XX Liu… - Journal of Plasma …, 2015 - cambridge.org
Since the electromagnetic energy gained by the laser wave in a free-electron laser (FEL) is
transferred from the kinetic energy loss of a relativistic electron beam, the stability of electron …

Мультигармонические процессы в супергетеродинных лазерах на свободных электронах

АВ Лысенко - 2012 - essuir.sumdu.edu.ua
Диссертационная работа посвящена теоретическому исследованию
мультигармонических процессов в супергетеродинных лазерах на свободных …

Two-stream whistler-pumped free-electron laser

S Saviz, S Jafari - Journal of Plasma Physics, 2015 - cambridge.org
The theory for the two-stream free-electron laser with the whistler wave as a slow
electromagnetic wave wiggler is studied theoretically. The results show that for small values …

Power enhancement via an ion-channel in a Raman free-electron laser

X Huang, SC Zhang - Laser Physics, 2018 - iopscience.iop.org
As a high-power and high-efficiency coherent radiation source, the free-electron laser
extends to two unique spectra: the region in the ultra-violet, x-and-rays, and the range in the …