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Integral Experiments for Fast Ignition Reserach

Kazuo A. Tanaka, Ryosuke Kodama, Peter A. Norreys

Fusion Science and Technology

Volume 49 / Number 3 / April 2006 / Pages 342-357


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This paper reviews the important schemes that have been investigated thus far in fast ignition research. Integral experiments for fast ignition research have been conducted utilizing various schemes: (a) double-pulse experiments with two 100-ps pulses injected to a compressed core, (b) gold cone-guided implosion with 100-TW laser pulse heating, and (c) imploded core heated by both a 100-TW and petawatt laser pulses through gold cones. Reviewing these results, several important issues were raised for further development of fast ignition research. The imploded core heated by a petawatt laser through a gold cone showed a 103 D-D neutron increase compared to the one with only the CD shell implosion.

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