نتایج جستجو برای: plasma inertial confinement
تعداد نتایج: 388472 فیلتر نتایج به سال:
In inertial confinement fusion (ICF), where irradiation uniformity is a crucial issue, it is important to understand the process of laser-filamentation instability.' The breakup of laser light into filaments occurs as a result of plasma density depressions that form localized focusing channels. The density depressions may be caused either by ponderomotive forces2 due to laserplasma interactions...
0021-9991/$ see front matter 2011 Elsevier Inc doi:10.1016/j.jcp.2011.09.028 ⇑ Corresponding author. E-mail address: [email protected] (A.G.R. Thomas) 1 Present address: University of California, Los Ang 2 Present address: Clarendon Laboratory, Universit 3 lasers.llnl.gov. 4 www-lmj.cea.fr/. The interaction of intense lasers with solid matter generates a hot plasma state that is well described by ...
Current Filamentation Instability, CFI, is of central importance for the propagation of relativistic electron beams in plasmas. CFI has potential relevance to astrophysics, magnetic field and radiation generation in the afterglow of gamma ray bursts, and inertial confinement fusion, energy transport in the fast-igniter concept. An experimental study of this instability is underway at the Brookh...
The existence of efficient ion acceleration regimes in collective laser-plasma interactions opens up the possibility to develop high-energy physics facilities in conjunction with projects for inertial confinement nuclear fusion (ICF) and neutron spallation sources. In this paper, we show that the pulse compression requests to make operative these acceleration mechanisms do not fall in contradic...
In a laser-irradiated plasma, the Langdon effect makes electron energy distribution function (EEDF) tend to super-Gaussian distribution, which has important influences on laser plasma instabilities. this work, of EEDF convective stimulated backward Raman scattering (SRS) and Brillouin (SBS) are studied systematically for wide range typical parameters in inertial confinement fusion (ICF). Distin...
چکیده ندارد.
A new mechanism for the generation of high intensity speckles by coupling overlapping beams is discovered and studied in detail. Using three-dimensional simulations, smoothed phase plates polarization smoothing are investigated regime relevant to inertial confinement fusion studies. It found that distribution laser beam spot can be changed nonuniform spatial modulation, formed plate split into ...
Scattered neutron diagnostics is an indispensable tool for both inertial confinement and magnetic confinement fusion research. For this purpose, a fast-response neutron scintillator with a high cross section for scattered neutrons is strongly required. Recently, based on our material design strategy, we have successfully developed the fast response time Pr-doped 20Al(PO3)3–80LiF glass scintilla...
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