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Fast ignition by a laser-accelerated deuteron beam

Dong-Xiao Liu, Wei Hong, Lian-Qiang Shan, Shun-Chao Wu, Yu-Qiu Gu2011年Plasma Physics and Controlled FusionIF 2.2出版社

Fast ignition (FI) of a conically guided DT assembly by a laser-accelerated deuteron beam is proposed. The uniformly pre-compressed fuel of 300 g cm−3 is heated by the deuteron beam of a Maxwellian energy distribution with a temperature of 3 MeV. This scheme makes full use of the deposited energy of the alpha particles produced by the athermal nuclear reactions and can save about 4.5% ion-beam energy compared with the FI by fast proton or carbon ion beams. The ignition energy delivered by the external beam can be reduced appreciably.

日本語訳

高速点火(FI)による、レーザー加速重水素ビームを用いた円錐案内DT燃料の点火を提案する。均一に予圧縮された燃料(300 g cm⁻³)は、温度3 MeVのマクスウェルエネルギー分布を持つ重水素ビームによって加熱される。この方式は、非熱核反応によって生成されるアルファ粒子の堆積エネルギーを最大限に活用し、高速陽子ビームや炭素イオンビームを用いる場合と比較して、約4.5%のイオンビームエネルギーを節約できる。外部から供給される点火エネルギーの所要量は、大幅に低減され得る。

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