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レーザー駆動超小型粒子線発生装置の医療応用に向けた研究開発

Research and development on laser-driven compact particle source for future medical applications

大道 博行

Daido, Hiroyuki

最近の超短パルス超高強度レーザーにより超小型レーザー駆動粒子線発生装置の研究開発が各国で活発になっている。本小論ではこの装置開発に関連するレーザーによる粒子加速用プラズマの生成法,粒子加速機構,出射粒子線の性質などを筆者らの研究成果を中心に紹介した。また医療用粒子線までの開発課題,治療用粒子線を用いた医療側との共同実験なども簡単に紹介した。

Recently, a many research groups are performing the studies on ultra-short and ultra-high intensity laser driven particle sources experimentally as well as theoretically. In this report, the author describes mainly their own results including how to make a desired laser plasma for particle acceleration, these mechanisms, the properties of the accelerated particles. The author also describes the real collaboration with the medical people including joint experiment using the particle beam for real therapy, briefly.

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