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Proceedings Paper

Numerical and theoretical studies on basic issues for fast ignition: from fast particle generation to beam driven ignition
Author(s): Stefano Atzeni; A. Antonicci; Dimitri Batani; F. Califano; F. Cornolti; J. J. Honrubia; T. V. Lisseikina; A. Macchi; F. Pegoraro; M. Temporal
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Paper Abstract

In all recently proposed schemes for laser-driven Fast Ignition (FI) of Inertial Confinement Fusion (ICF) targets, two key elements are the conversion of the energy of a Petawatt laser pulse into a beam of strongly relativistic electrons and its transport through a dense plasma or a solid target. The electron beam may either drive ignition directly or be exploited to acccelerate a proton beam which in turn is used to ignite the target. Both approaches to FI involve a number of physical processes that are challenging for theory and simulation. In this paper, theoretical and numerical investigations are presented concerning several fundamental issues of relevance to FI, including electron beam instabilities, electron transport in solid-density materials, and requirements for proton beam driven ignition.

Paper Details

Date Published: 12 December 2003
PDF: 9 pages
Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); doi: 10.1117/12.536756
Show Author Affiliations
Stefano Atzeni, Univ. degli Studi di Roma La Sapienza, INFM (Italy)
A. Antonicci, Univ. Politecnica de Madrid (Spain)
Dimitri Batani, Univ. degli Studi di Milano-Bicocca, INFM (Italy)
F. Califano, Univ. degli Studi di Pisa, INFM (Italy)
F. Cornolti, Univ. degli Studi di Pisa, INFM (Italy)
J. J. Honrubia, Univ. Politecnica de Madrid (Spain)
T. V. Lisseikina, Univ. degli Studi di Pisa, INFM (Italy)
A. Macchi, Univ. degli Studi di Pisa, INFM (Italy)
F. Pegoraro, Univ. degli Studi di Pisa, INFM (Italy)
M. Temporal, Univ. de Castilla-La Mancha (Spain)

Published in SPIE Proceedings Vol. 5228:
ECLIM 2002: 27th European Conference on Laser Interaction with Matter
Oleg N. Krokhin; Sergey Yu. Gus'kov; Yury A. Merkul'ev, Editor(s)

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