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Fast heating of super-solid density plasmas towards laser fusion ignition

Content Provider	Scilit
Author	Kodama, R. Tanaka, K. A. Fujioka, S. Fujita, H. Habara, H. Izawa, Y. Jitsuno, T. Kitagawa, Y. Krushelnick, K. Mima, K. Miyanaga, N. Nagai, K. Norreys, P. Norimatsu, T. Shigemori, K. Shiraga, H. Toyama, Y. Zepf, M. Yamanaka, T.
Copyright Year	2002
Description	Journal: Plasma Physics and Controlled Fusion We have studied fast heating of highly compressed plasmas using multi 100 TW laser light. Efficient propagation of the ultra-intense laser light and heating of the imploded plasmas were realized with a cone-attached shell target. Energy deposition rate of the ultra-intense laser pulse into high-density plasmas was evaluated from neutron measurements. Generation and propagation property of energetic electrons in the ultra-intense laser interactions were also investigated with solid density targets. About 40% of the laser energy converted to mega electron volts energetic electrons in the interactions with solid targets at intensities of $10^{19}$ W $cm^{−2}$. These electrons propagated in the high-density plasmas with a divergence of 20–30° or jet-like collimation. Taking account of these experimental results, heating laser spot size is optimized for laser fusion ignition with a simple estimation.
Related Links	http://iopscience.iop.org/article/10.1088/0741-3335/44/12B/309/pdf
Ending Page	B119
Page Count	11
Starting Page	B109
ISSN	07413335
e-ISSN	13616587
DOI	10.1088/0741-3335/44/12b/309
Journal	Plasma Physics and Controlled Fusion
Issue Number	12B
Volume Number	44
Language	English
Publisher	IOP Publishing
Publisher Date	2002-11-20
Access Restriction	Open
Subject Keyword	Journal: Plasma Physics and Controlled Fusion Density Plasmas Ultra Intense Intense Laser
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Nuclear Energy and Engineering

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