Resonant excitation of THz radiations by the interaction of amplitude-modulated laser beams with an anharmonic CNTs in the presence of static DC electric and …

S Kumar, S Vij, N Kant, V Thakur - Chinese Journal of Physics, 2022 - Elsevier
We proposed an alternative scheme for the generation of terahertz (THz) radiation by using
the rectangular array of horizontally aligned hollow anharmonic carbon nanotubes (CNTs) …

Electron acceleration and spatio-temporal variation of Laguerre-Gaussian laser pulse in relativistic plasma

P Kad, A Singh - The European Physical Journal Plus, 2022 - epjplus.epj.org
In this paper, the investigation of spatial and temporal dynamics of high power Laguerre-
Gaussian laser pulse propagating inside the plasma medium has been presented. The …

Combined effect of ponderomotive and relativistic self-focusing on laser beam propagation in a plasma

SD Patil, MV Takale, VJ Fulari, DN Gupta, H Suk - Applied Physics B, 2013 - Springer
Propagation of a Gaussian laser beam in a plasma is analyzed by including the nonlinearity
associated with the relativistic mass and the ponderomotive force. We set up the nonlinear …

Stimulated Raman scattering of self-focused elliptical q-Gaussian laser beam in plasma with axial density ramp: effect of ponderomotive force

N Gupta, S Kumar, SB Bhardwaj - Journal of Optics, 2022 - Springer
The phenomenon of stimulated Raman scattering (SRS) of elliptical q-Gaussian laser
beams interacting nonlinearly with underdense plasmas has been investigated theoretically …

Relativistic self-focusing of cosh-Gaussian laser beams in a plasma

SD Patil, MV Takale, ST Navare, VJ Fulari… - Optics & Laser …, 2012 - Elsevier
In the present paper, we have proposed to exploit an analysis of a self-consistent, steady
state, theoretical model, which explains the propagation of cosh-Gaussian laser beams in a …

Influence of self-focused Laguerre-Gaussian laser beam on second harmonic generation in collisionless plasma having density transition

A Bhatia, K Walia, A Singh - Optik, 2021 - Elsevier
The influence of self-focused Laguerre-Gaussian beam (LG beam) on second harmonic
generation (SHG) in collisionless plasma with density transition is explored in present work …

Second harmonic generation of intense Laguerre-Gaussian beam in relativistic plasma having an exponential density transition

A Bhatia, K Walia, A Singh - Optik, 2021 - Elsevier
The present communication explores the second harmonic generation (SHG) of intense
Laguerre-Gaussian beam (LG beam) in relativistic plasma having an exponential density …

Self-focusing of q-Gaussian beam in unmagnetized plasma and its impact on second harmonic generation

K Walia - Optik, 2023 - Elsevier
Self-focusing of q-Gaussian beam in unmagnetized plasma and its impact on second
harmonic generation (SHG) is explored in present work. Here, relativistic nonlinearity is …

Combined effect of chirp and exponential density ramp on relativistic self-focusing of Hermite-Cosine-Gaussian laser in collisionless cold quantum plasma

V Thakur, N Kant - Brazilian Journal of Physics, 2019 - Springer
This manuscript presents the dependence of exponential plasma density ramp on relativistic
self-focusing of the Hermite-cosine-Gaussian (HcosG) chirped pulse laser in a collisionless …

Enhanced relativistic self-focusing of Hermite-cosh-Gaussian laser beam in plasma under density transition

V Nanda, N Kant - Physics of Plasmas, 2014 - pubs.aip.org
Enhanced and early relativistic self-focusing of Hermite-cosh-Gaussian (HChG) beam in the
plasmas under density transition has been investigated theoretically using Wentzel-Kramers …