Review of Japanese fusion program and role of inertial fusion |
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Authors: | O Motojima |
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Institution: | (1) National Institute for Fusion Science, Oroshi-cho, Toki, Gifu 509-5292, Japan |
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Abstract: | The high compression of 600 times liquid density and the recent fast heating of a compressed core to 1-keV temperature have
provided proof-of-principle of the fast ignition concept, and these results have significantly contributed to approve first
phase of the Fast Ignition Realization EXperiment (FIREX) project. The goal of FIREX-I is to demonstrate fast heating of a
fusion fuel up to the ignition temperature of 5–10 keV. Although the fuel size of FIREX-I is too small to ignite, sufficient
heating will provide the scientific viability of ignition-and-burn by increasing the laser energy thereby the fuel size. Based
on the result of FIREX-I, the decision of the start of FIREX-II to achieve ignition-and-burn can be made. The FIREX program
is under the collaboration of the Institute of Laser Engineering and the National Institute for Fusion Science. |
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Keywords: | 52 50 Qt Plasma heating by radio-frequency fields ICR ICP helicons 52 55 Hc Stellarators torsatrons heliacs bumpy tori and other toroidal confinement devices 52 57 -z Laser inertial confinement 52 57 Kk Fast ignition of compressed fusion fuels |
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