Scattering of ultrashort x-ray pulses in optically dense plasmas: Account for pulse duration and propagation effects

被引：0
|
作者：
Rosmej, F. B. [1 ,2 ]
Astapenko, V. A. [3 ]
Lisitsa, V. S. [3 ,4 ]
机构：
[1] Sorbonne Univ, Fac Sci, UMR7605, Case 128,4 Pl Jussieu, F-75252 Paris, France
[2] Ecole Polytech, LULI, Atom Phys Dense Plasmas, Route Saclay, F-91129 Palaiseau, France
[3] Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Russia
[4] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia
来源：
PHYSICS OF PLASMAS | 2024年 / 31卷 / 11期
关键词：
ATTOSECOND;
D O I：
10.1063/5.0238655
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Scattering of ultrashort laser pulses (USP) in optically dense plasma is presented, accounting for the peculiarities of ultrashort electromagnetic interaction and absorption of radiation in plasmas. The results are presented in terms of a universal dimensionless total scattering coefficient (TSC). A universal closed expression for TSC is derived and analyzed. Numerical calculations of TSC are carried out for the special case of USP resonance scattering on H-like ions in hot plasmas. Fine structure splitting of the resonant transition and Doppler broadening are taken into account. The dependences of the TSC on USP parameters and the optical thickness of plasma layers are derived. (c) 2024 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license.
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页数：5
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