Effect of ion channel guiding on the saturation mechanism of single and two-stream free-electron lasers based upon a rectangular hybrid wiggler

A Hosseinnezhad, AA Kordbacheh - Nuclear Instruments and Methods in …, 2024 - Elsevier
The paper studies a simulation of a one-dimensional nonlinear free electron laser that
includes a square hybrid wiggler, prebunched electron beam, and ion-channel guiding …

Nonlinear third harmonic radiation in thermal free electron laser with modified wiggler

F Bazouband, B Maraghechi - Journal of Plasma Physics, 2015 - cambridge.org
Simulation of free electron laser (FEL) with modified wiggler consisting of a conventional
planar wiggler with third harmonic field component is presented. A set of self consistent …

Chaotic electron trajectories in an electromagnetic wiggler free-electron laser with ion-channel guiding

A Taghavi, M Esmaeilzadeh, MS Fallah - Physics of Plasmas, 2010 - pubs.aip.org
Chaotic behavior of an electron motion in combined backward propagating electromagnetic
wiggler and ion-channel electrostatic fields is studied. The Poincaré surface-of-sections are …

离子通道自由电子激光器中平衡态电子的科尔莫哥洛夫熵

徐勇根, 王时建, 吉驭嫔, 徐竞跃, 张世昌 - 西华大学学报(自然科学版), 2013 - xhuqk.com
基于拉曼型自由电子激光器, 研究了离子通道自由电子激光器中相对论电子运动的稳定性,
分析了电子运动的科尔莫哥洛夫熵, 以MIT 实验数据为例, 分别研究了离子密度, 绝热压缩场 …

Linear model formulation for superradiant and stimulated superradiant prebunched -beam free-electron lasers

M Arbel, A Gover, A Eichenbaum, H Kleinman - Physical Review Special …, 2014 - APS
We present a unified model and analysis of radiation modes excitation in free-electron
lasers with a periodically premodulated electron beam. The formulation characterizes …

Nonlinear analysis of the efficiency and saturation length of free electron laser with realistic helical wiggler and ion-channel guiding

G Kheiri - Optical and Quantum Electronics, 2022 - Springer
A nonlinear study of the efficiency, power, and the saturation length of a free-electron laser
with realistic helical wiggler and ion-channel guiding using numerical simulation is …

Three-dimensional simulation of efficiency enhancement in free-electron laser with prebunched electron beam

M Chitsazi, B Maraghechi, MH Rouhani - Physics of Plasmas, 2010 - pubs.aip.org
The effect of prebunching of the electron beam and tapering of the wiggler amplitude on the
harmonic upconversion in free-electron laser amplifier is studied in three dimensions. A set …

Three-dimensional nonlinear efficiency enhancement analysis in free-electron laser amplifier with prebunched electron beam and ion-channel guiding

F Jafari Bahman, B Maraghechi - Physics of Plasmas, 2013 - pubs.aip.org
Efficiency enhancement in free-electron laser is studied by three-dimensional and nonlinear
simulation using tapered helical wiggler magnetic field or tapered ion-channel density. In …

Improvement of nonlinear harmonics in free electron laser with planar wiggler

F Bazouband, B Maraghechi - Physics of Plasmas, 2012 - pubs.aip.org
Spontaneous emission of free electron laser with planar wiggler and ion-channel guiding is
calculated analytically and possibility of emission at up-shifted wiggler or ion-channel …

[HTML][HTML] Effect of beam prebunching on saturation characteristics of Raman free electron laser with helical wiggler and axial magnetic field

E Noori, N Aral, MH Rouhani, M Sharifzadeh - Results in Physics, 2019 - Elsevier
In this paper, amplification and saturation properties of one dimensional free electron laser
(FEL) operating in Raman regime with helical wiggler and axial magnetic field are studied …