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 …

Second harmonic generation of q-Gaussian laser beam in preformed collisional plasma channel with nonlinear absorption

N Gupta, N Singh, A Singh - Physics of Plasmas, 2015 - pubs.aip.org
This paper presents a scheme for second harmonic generation of an intense q-Gaussian
laser beam in a preformed parabolic plasma channel, where collisional nonlinearity is …

Second harmonic generation by relativistic self-focusing of q-Gaussian laser beam in preformed parabolic plasma channel

A Singh, N Gupta - Physics of Plasmas, 2015 - pubs.aip.org
This paper presents an investigation of relativistic self-focusing effect of a q-Gaussian laser
beam on second harmonic generation in a preformed parabolic plasma channel. An …

Second harmonic generation of Cosh-Gaussian laser beam in collisional plasma with nonlinear absorption

N Singh, N Gupta, A Singh - Optics Communications, 2016 - Elsevier
This paper investigates second harmonic generation (SHG) of an intense Cosh-Gaussian
(ChG) laser beam propagating through a preformed underdense collisional plasma with …

Self-focusing of asymmetric cosh-Gaussian laser beams propagating through collisionless magnetized plasma

BD Vhanmore, SD Patil, AT Valkunde… - Laser and Particle …, 2017 - cambridge.org
In this paper, self-focusing of asymmetric cosh-Gaussian laser beams in collisionless
magnetized plasma has been studied. The non-linearity in dielectric constant considered …

Optimization of wiggler wave number for density transition based second harmonic generation in laser plasma interaction

V Thakur, N Kant - Optik, 2017 - Elsevier
We present the numerical analysis of optimization of wiggler wave number for density
transition based second harmonic generation during laser plasma interaction. Wiggler wave …

Second harmonic generation of Cosh-Gaussian beam in unmagnetized plasmas: effect of relativistic-ponderomotive force

K Walia, P Sharma, A Singh - Optik, 2021 - Elsevier
Second harmonic generation (SHG) of Cosh-Gaussian beam in unmagnetized plasma is
investigated in present communication. The relativistic-ponderomotive force (RP force) is …

Second harmonic generation of laser beam in quantum plasma under collective influence of relativistic-ponderomotive nonlinearities

K Walia, RK Verma, A Singh - Optik, 2021 - Elsevier
Second harmonic generation (SHG) of laser beam in quantum plasma under collective
influence of relativistic-ponderomotive nonlinearities is explored. Combined influence of …

Creation of twisted terahertz waves carrying orbital angular momentum via a plasma vortex

H Sobhani, H Rooholamininejad… - Journal of Physics D …, 2016 - iopscience.iop.org
In this paper a new method for generating twisted terahertz radiation is proposed. The
generation of twisted terahertz radiation in a plasma vortex, where the plasma density profile …

Second harmonic generation of self-focused Cosh-Gaussian laser beam in collisional plasma

A Singh, N Gupta - Optik, 2016 - Elsevier
This paper presents theoretical investigation of effect of self-focusing of Cosh-Gaussian
(ChG) laser beam on second harmonic generation (SHG) in collisional plasma. Due to non …