Zobrazeno 1 - 10
of 22
pro vyhledávání: '"B Bokaei"'
Publikováno v:
Iranian Journal of Physics Research, Vol 18, Iss 4, Pp 671-681 (2019)
In this paper the propagation characteristics of the gaussian laser beam and the rippled laser beam in collisionless plasma were investigated, and their effects on and the excitation of the electron plasma wave were addressed by considering the ponde
Externí odkaz:
https://doaj.org/article/ef994268b09d4a08bedc4af31baed645
Collisional effects on the modulational instability of intense laser pulses in magnetoactive plasmas
Publikováno v:
Laser and Particle Beams. 33:705-711
The modulational instability associated with propagation of an intense laser pulse through a transversely magnetized plasma is investigated in the presence of collisional effects. The source-dependent expansion method for analyzing the wave equation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11893054c1326aa6586bb22f96987631
https://doi.org/10.1017/s0263034615000889
https://doi.org/10.1017/s0263034615000889
Publikováno v:
IEEE Transactions on Plasma Science. 42:1353-1357
The interaction between a high-power electromagnetic wave with an inhomogeneous underdense plasma is studied by considering the ohmic heating caused by laser radiation. Considering the plasma inhomogeneity and ohmic heating, the nonlinear dielectric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::298c203fa1f287b039ddaf92fbf76766
https://doi.org/10.1109/tps.2014.2312337
https://doi.org/10.1109/tps.2014.2312337
Publikováno v:
IEEE Transactions on Plasma Science. 42:742-747
The propagation characters of an intense Gaussian laser beam in underdense plasma are investigated taking into account the combined effects of relativistic and ponderomotive nonlinearities. The nonlinear second-order differential equation of the dime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d2600ee77156f6c6bae1b657eba365
https://doi.org/10.1109/tps.2014.2300132
https://doi.org/10.1109/tps.2014.2300132
Publikováno v:
Waves in Random and Complex Media. 24:1-18
In this work, the effects of the plasma inhomogeneity and weakly relativistic ponderomotive force due to intense laser radiation on the density profile steepening and dielectric permittivity of plasma are studied in collisionless and collisional regi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e32bf1af9c04285499b6c7a543c9fa7
https://doi.org/10.1080/17455030.2013.858848
https://doi.org/10.1080/17455030.2013.858848
Publikováno v:
Plasma Sources Science and Technology. 23:064011
This paper presents an investigation of the characteristics of the propagation of a Gaussian laser beam through an underdense plasma in the presence of a linear electron temperature ramp. Relativistic and ponderomotive nonlinearities are involved. It
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f2c898b6efaa9dc2f1124f470b26190
https://doi.org/10.1088/0963-0252/23/6/064011
https://doi.org/10.1088/0963-0252/23/6/064011
Autor:
B. Bokaei, Ali Reza Niknam
Publikováno v:
Physics of Plasmas. 21:103107
The spatiotemporal dynamics of high power laser pulses in near critical plasmas are studied taking in to account the effects of relativistic and ponderomotive nonlinearities. First, within one-dimensional analysis, the effects of initial parameters s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e56fdbaf34c84a8182b7882304b9fe76
https://doi.org/10.1063/1.4898057
https://doi.org/10.1063/1.4898057
Autor:
Ali Reza Niknam, B. Bokaei
Publikováno v:
Physics of Plasmas. 21:032309
This work is devoted to improving relativistic and ponderomotive thermal self-focusing of the intense laser beam in an underdense plasma. It is shown that the ponderomotive nonlinearity induces a saturation mechanism for thermal self-focusing. Theref
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2ad102348d5fc10ae8499801a4e8459
https://doi.org/10.1063/1.4869244
https://doi.org/10.1063/1.4869244
Publikováno v:
Physics of Plasmas. 20:103107
The propagation characters of Gaussian laser beam in collisionless plasma are investigated by considering the ponderomotive and relativistic nonlinearities. The second-order differential equation of dimensionless beam width parameter is solved numeri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9ee3f05bc22b87dfb2c7593b9fa3dbb
https://doi.org/10.1063/1.4824455
https://doi.org/10.1063/1.4824455
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