超高強度短パルスレーザーによる核融合燃料高効率加熱 Efficient Fast-Heating of Fusion Fuel with Ultra-Intense Short-Pulse Lasers

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抄録

The first demonstration of fast heating of highly imploded fusion plasmas has been made by using a novel target geometry (cone shell target) with an ultra-intense short pulse laser. Significant enhancement of thermal neutron yield has been realized with sub-ps PW laser heating, confirming that the high heating efficiency is maintained as the short-pulse laser power is substantially increased to near equivalent power to the ignition condition. The efficient heating could be caused by the efficient guiding of heating pulse with the hollow cone and self-organized relativistic electron transport (conductivity channel) from the recent basic experimental results. According to all the results, we are now developing a 10 kJ-PW laser system to study the ignitionequivalent temperature heating physics. The development of such high energy PW lasers will also promote new scientific applications such as high energy-density physics.

収録刊行物

  • レーザー研究

    レーザー研究 32(5), 313-318, 2004-05-15

    The Laser Society of Japan

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各種コード

  • NII論文ID(NAID)
    10012932242
  • NII書誌ID(NCID)
    AN00255326
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    03870200
  • NDL 記事登録ID
    6953134
  • NDL 雑誌分類
    ZN33(科学技術--電気工学・電気機械工業--電子工学・電気通信)
  • NDL 請求記号
    Z16-1040
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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