Enhanced THz radiation from beating of two Cosh–Gaussian laser beams in a wiggler-assisted collisional magnetized plasma

M Abedi-Varaki, S Jafari - JOSA B, 2018 - opg.optica.org
In this paper, the terahertz (THz) radiation generated by mixing two Cosh–Gaussian laser
beams (decentered Gaussian beams) in collisional magnetized plasma has been studied in …

Chaotic dynamics in X-ray free-electron lasers with an optical undulator

E Abbasi, S Jafari - Scientific Reports, 2024 - nature.com
In this work, the chaotic motions of relativistic electrons in X-ray free-electron lasers are
investigated using an optical undulator in the presence of a magnetized ion-channel …

The effect of the wiggler magnetic field strength on the self-focusing of an intense laser pulse propagating through a magnetized non-Maxwellian plasma

M Abedi-Varaki - Physics of Plasmas, 2017 - pubs.aip.org
In this paper, the effect of the wiggler magnetic field strength on the self-focusing of an
intense laser pulse propagating through a magnetized non-Maxwellian plasma is studied …

Relativistic self-focusing of an intense laser pulse with hot magnetized plasma in the presence of a helical magnetostatic wiggler

M Abedi-Varaki, S Jafari - Physics of Plasmas, 2017 - pubs.aip.org
In this paper, we study the nonlinear interaction of a circularly polarized laser pulse
propagating through a hot magnetized plasma in the presence of a helical magnetostatic …

The effects of helical magnetostatic wiggler on the modulation instability of a laser pulse propagating through a hot magnetoplasma

M Abedi-Varaki, S Jafari - Optik, 2018 - Elsevier
In this paper, the effects of helical magnetostatic wiggler on the modulation instability of a
laser pulse propagating through a hot magnetoplasma have been investigated. Using the …

Effects of magnetic wiggler field and chirped laser pulse on the wakefield amplitude and electron energy gain in a wiggler-assisted laser wakefield accelerator

A Dezhpour, S Jafari, H Mehdian - The European Physical Journal …, 2018 - epjplus.epj.org
Wakefield generation and GeV electron acceleration in a plasma medium by an ultra-short
and intense chirped laser pulse in the presence of a magnetic wiggler field are presented …

Self-focusing and self-compression of a laser pulse in the presence of an external tapered magnetized density-ramp plasma

N Saedjalil, S Jafari - High Energy Density Physics, 2016 - Elsevier
In this paper, the effects of external tapered axial magnetic field and plasma density-ramp on
the spatiotemporal evolution of the laser pulse in inhomogeneous plasma have been …

Effect of external magnetic field inhomogeneity on the nonlinear absorption of intense laser pulse in inhomogeneous warm plasma

R Fallah, R Khooniki, AE Karnawah… - High Energy Density …, 2025 - Elsevier
This paper studies the propagation of an intense laser pulse and the collisional absorption
in an inhomogeneous warm plasma by taking into account the external magnetic field …

Self-focusing property of a laser beam interacting with a lattice of nanoparticles in the presence of a planar magnetostatic wiggler

N Esmaeildoost, SH Zolghadr, S Jafari - Journal of Applied Physics, 2017 - pubs.aip.org
In this paper, we study the nonlinear interaction of a laser beam with a periodic lattice of
nanoparticles in the presence of a planar magnetostatic wiggler. The static magnetic field of …

External magnetic field effect on the growth rate of a plasma-loaded free-electron laser

N Esmaeildoost, S Jafari, E Abbasi - The European Physical Journal Plus, 2016 - Springer
In order to extend the production of intense coherent radiation to angstrom wavelengths, a
laser wave is employed as a laser wiggler which propagates through a magnetized plasma …