Laser-plasma interaction studies in the context of shock ignition: the regime dominated by parametric instabilities

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F13%3A00213883" target="_blank" >RIV/68407700:21340/13:00213883 - isvavai.cz</a>

Result on the web

<a href="http://iopscience.iop.org/0741-3335/55/9/095002/" target="_blank" >http://iopscience.iop.org/0741-3335/55/9/095002/</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/0741-3335/55/9/095002" target="_blank" >10.1088/0741-3335/55/9/095002</a>

Result language

angličtina

Original language name

Laser-plasma interaction studies in the context of shock ignition: the regime dominated by parametric instabilities

Original language description

The shock ignition concept for inertial confinement fusion includes launching a strong shock with a high-intensity laser spike into an imploding shell. The laser intensity in the plasma corona is above the threshold for parametric instabilities, thus providing conditions for strong non-linear effects. Here we present a series of one-dimensional kinetic simulations of laser-plasma interactions in such a regime. After a transient period of strong non-stationary scattering, the laser-plasma interaction enters an asymptotic regime where a significant part of the incident laser flux is absorbed in the plasma and is transformed into hot electrons. The repartition of the absorbed energy and spectral characteristics of the scattered radiation are presented forlaser intensities in the range 2.4-24 PW cm(-2). For a laser intensity of 8 PW cm(-2), the total absorption is 69%; about 50% of absorption takes place at quarter critical density and the remaining 19% at 1/ 16th of the critical density.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BL - Plasma physics and discharge through gases

OECD FORD branch

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Project

<a href="/en/project/GPP205%2F11%2FP660" target="_blank" >GPP205/11/P660: Modeling of parametric processes in laser plasma interaction relevant to shock ignition scenario</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2013

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Plasma Physics and Controlled Fusion

ISSN

0741-3335

e-ISSN

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Volume of the periodical

55

Issue of the periodical within the volume

9

Country of publishing house

GB - UNITED KINGDOM

Number of pages

13

Pages from-to

1-13

UT code for WoS article

000323774400003

EID of the result in the Scopus database

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