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Interaction physics of the fast ignitor concept

Published online by Cambridge University Press:  09 March 2009

C. Deutsch ,
H. Furukawa ,
K. Mima ,
M. Murakami  and
K. Nishihara
H. Furukawa
Affiliation:
Institute for Laser Engineering, Osaka University, Suita 565, Osaka, Japan
K. Mima
Affiliation:
Institute for Laser Engineering, Osaka University, Suita 565, Osaka, Japan
M. Murakami
Affiliation:
Institute for Laser Engineering, Osaka University, Suita 565, Osaka, Japan
K. Nishihara
Affiliation:
Institute for Laser Engineering, Osaka University, Suita 565, Osaka, Japan
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Abstract

The interaction of relativistic electrons produced by ultrafast lasers and focussing them on strongly precompressed thermonuclear fuel is analytically modelled. Energy loss to target electrons is treated through binary collisions and Langmuir wave excitation. The overall penetration depth is determined by quasielastic and multiple scattering on target ions. Thus, it appears possible to ignite efficient hot spots in a target with density larger than 300 g/cc.

Type
Research Article
Information
Laser and Particle Beams , Volume 15 , Issue 4 , December 1997 , pp. 557 - 564
Copyright
Copyright © Cambridge University Press 1997

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