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Symmetric Inertial Confinement Fusion Implosions at Ultra-High Laser Energies

机译：超高激光能量下的对称惯性约束聚变内爆

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摘要

Indirect-drive hohlraum experiments at the National Ignition Facility have demonstrated symmetric capsule implosions at unprecedented laser drive energies of 0.7 megajoule. One hundred and ninety-two simultaneously fired laser beams heat ignition-emulate hohlraums to radiation temperatures of 3.3 million kelvin, compressing 1.8-millimeter-diameter capsules by the soft x-rays produced by the hohlraum. Self-generated plasma optics gratings on either end of the hohlraum tune the laser power distribution in the hohlraum, which produces a symmetric x-ray drive as inferred from the shape of the capsule self-emission. These experiments indicate that the conditions are suitable for compressing deuterium-tritium-filled capsules, with the goal of achieving burning fusion plasmas and energy gain in the laboratory.
机译：美国国家点火装置的间接驱动式白内障实验已经证明，在空前的0.7兆焦耳激光驱动能量下，对称的胶囊内爆成为可能。一百九十二个同时发射的激光束将模拟火穴的热量加热到330万开尔文的辐射温度，并通过火穴产生的软X射线压缩直径为1.8毫米的胶囊。自振膜两端的自生等离子体光栅可调节激光器中的激光功率分布，这可根据胶囊自身发射的形状来产生对称的X射线驱动。这些实验表明，该条件适合于压缩氘-填充的胶囊，目的是在实验室中实现燃烧的聚变等离子体和能量获取。

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  • 来源
    《Science》 |2010年第5970期|p.1228-1231|共4页
  • 作者

    S. H. Glenzer; B. J. MacGowan; P. Michel; N. B. Meezan; L. J. Suter; S. N. Dixit; J. L. Kline; G. A. Kyrala; D. K. Bradley; D. A. Callahan; E. L. Dewald; L Divol; E. Dzenitis; M. J. Edwards; A. V. Hamza; C. A. Haynam; D. E. Hinkel; D. H. Kalantar; J. D. Kilkenny; O. L. Landen; J. D. Lindl; S. LePape; J. D. Moody; A. Nikroo; T. Parham; M. B. Schneider; R. P. J. Town; P. Wegner; K. Widmann; P. Whitman; B. K. F. Young; B. Van Wonterghem; L. J. Atherton; E. I. Moses;

  • 作者单位

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    General Atomics, San Diego, CA 92121, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    General Atomics, San Diego, CA 92121, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

    Lawrence Livermore National Laboratory, Post Office Box 808, Livermore, CA 94551, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 入库时间 2022-08-18 02:54:28

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