Time evolution of stimulated Raman scattering and two-plasmon decay at laser intensities relevant for shock ignition in a hot plasma

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F19%3A00508312" target="_blank" >RIV/68378271:_____/19:00508312 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21340/19:00339380 RIV/61389021:_____/19:00582251

Výsledek na webu

<a href="http://hdl.handle.net/11104/0299256" target="_blank" >http://hdl.handle.net/11104/0299256</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1017/hpl.2019.37" target="_blank" >10.1017/hpl.2019.37</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Time evolution of stimulated Raman scattering and two-plasmon decay at laser intensities relevant for shock ignition in a hot plasma

Popis výsledku v původním jazyce

Laser–plasma interaction (LPI) at intensities 1015–1016 W · cm−2 is dominated by parametric instabilities which can be responsible for a significant amount of non collisional absorption and generate large fluxes of high-energy nonthermal electrons. Such a regime is of paramount importance for inertial confinement fusion (ICF) and in particular for the shock ignition scheme. In this paper we report on an experiment carried out at the Prague Asterix Laser System (PALS) facility to investigate the extent and time history of stimulated Raman scattering (SRS) and two-plasmon decay (TPD) instabilities, driven by the interaction of an infrared laser pulse at an intensity ∼1.2 × 1016 W · cm−2 with a ∼100 µm scalelength plasma produced from irradiation of a flat plastic target. The laser pulse duration was 300 ps, and the high value of plasma temperature of ∼4 keV was expected from hydrodynamic simulations.n

Název v anglickém jazyce

Time evolution of stimulated Raman scattering and two-plasmon decay at laser intensities relevant for shock ignition in a hot plasma

Popis výsledku anglicky

Laser–plasma interaction (LPI) at intensities 1015–1016 W · cm−2 is dominated by parametric instabilities which can be responsible for a significant amount of non collisional absorption and generate large fluxes of high-energy nonthermal electrons. Such a regime is of paramount importance for inertial confinement fusion (ICF) and in particular for the shock ignition scheme. In this paper we report on an experiment carried out at the Prague Asterix Laser System (PALS) facility to investigate the extent and time history of stimulated Raman scattering (SRS) and two-plasmon decay (TPD) instabilities, driven by the interaction of an infrared laser pulse at an intensity ∼1.2 × 1016 W · cm−2 with a ∼100 µm scalelength plasma produced from irradiation of a flat plastic target. The laser pulse duration was 300 ps, and the high value of plasma temperature of ∼4 keV was expected from hydrodynamic simulations.n

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

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

Rok uplatnění

2019

Kód důvěrnosti údajů

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

Název periodika

High Power Laser Science and Engineering

ISSN

2095-4719

e-ISSN

—

Svazek periodika

7

Číslo periodika v rámci svazku

Aug

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

14

Strana od-do

1-14

Kód UT WoS článku

000482954900001

EID výsledku v databázi Scopus

2-s2.0-85071016284