DocumentCode :
1634335
Title :
Integrated Implicit Particle-In-Cell (PIC) Simulations of PetaWatt Laser Heating of Compressed Cores for Fast Ignition
Author :
Campbell, R.B. ; Welch, D.R. ; Mehlhorn, T.A.
Author_Institution :
Sandia Nat. Labs., Albuquerque
fYear :
2007
Firstpage :
992
Lastpage :
992
Abstract :
Summary form only given. There has been much interest in the fast heating of compressed matter by short pulse petawatt lasers. Some time ago, we studied the heating process as applied to the GEKKO/PW experiments at Osaka with a 3D electromagnetic implicit PIC code. One limitation of our analysis was that we legislated the distribution of hot electrons entering the high density region. While the ansantz for the hot electron energy and angular distribution was consistent with experimental data, it clearly lacked rigor. We have now removed that limitation and will present integrated simulations which include the self-consistent laser plasma interaction with the blowoff plasma, as well as the electron transport through the pedestal and deposition in the core. Scaling studies will be performed and presented to predict the efficacy of the heating as the laser power and energy are increased.
Keywords :
fusion reactor ignition; hot carriers; plasma heating by laser; plasma simulation; 3D electromagnetic implicit PIC code; GEKKO/PW experiment; blowoff plasma; compressed cores; electron transport; fast ignition; hot electron angular distribution; hot electron energy distribution; particle-in-cell simulations; self-consistent laser plasma interaction; short pulse petawatt laser heating; Electromagnetic heating; Electrons; Ignition; Optical pulses; Plasma density; Plasma simulation; Plasma transport processes; Power lasers; Pulse compression methods; Pulsed laser deposition;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Plasma Science, 2007. ICOPS 2007. IEEE 34th International Conference on
Conference_Location :
Albuquerque, NM
ISSN :
0730-9244
Print_ISBN :
978-1-4244-0915-0
Type :
conf
DOI :
10.1109/PPPS.2007.4346298
Filename :
4346298
Link To Document :
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