Effect of Nonuniform Implosion on High-Gain Intertial Confinement Fusion Targets
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概要
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High-gain target design and gain sensitivity to nonuniform implosion dynamics have been studied numerically. First of all, sensitivity of the pellet gain to the tailored pulse shape has been studied using the laser implosion code ILESTA-1D, and the gain scaling law has been obtained through an optimization of target and laser parameters. Then, the two-dimensional code, ILESTA-2D, was used to study the sensitivity of the pellet gain to the nonuniformity in target implosion. It is found that the fire-polishing effect by alpha-particle heating drastically smooths the spark structure. The implosion mode optimized with the ILESTA-1D code is relatively sensitive to nonuniformity and, therefore, higher implosion velocity modes are recommended from stability.
- 社団法人応用物理学会の論文
- 1993-12-15
著者
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TAKABE Hideaki
Institute of Laser Engineering, Osaka University
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Takabe Hideaki
Institute Of Laser Energetics And Graduate School Of Science Osaka University
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ISHII Tadaaki
Institute of Laser Engineering, Osaka University
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Takabe Hideaki
Institute For Laser Engineering Osaka University
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