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Experimental investigations of multicharged ion fluxes from laser-produced plasmas

W. Mróz, P. Parys, J. Wołowski, E. Woryna, A.V. Shumshurov1996年Fusion Engineering and DesignIF 1.7出版社

AbstractA summary of experimental investigations of multicharged ions in the far expansion zone at about 2–3 m, generated from laser-produced plasmas, is presented. The results have been obtained on different laser systems with different wavelengths λ, laser pulse lengths τ and laser energies E. As the targets, the following materials have been used: Al, Cu, Fe, Mo, Ta, Pt, and Pb. In the experiments, we have applied mutually complementary sets of corpuscular diagnostics: charge collectors, an electrostatic ion analyser and Thomson parabola mass spectrograph. It is shown that laser-created plasma can deliver ions with charge states z from 1 to about 50, atomic masses A from 1 to about 200 amu and energies from hundreds of electronvolts to several megaelectronvolts.

日本語訳

レーザー生成プラズマから発生する遠方膨張領域(約2~3 m)における多価イオンに関する実験的研究の概要を提示する。結果は、異なる波長λ、レーザーパルス幅τ、レーザーエネルギーEを有する異なるレーザーシステムを用いて得られたものである。ターゲット材料としては、Al、Cu、Fe、Mo、Ta、Pt、Pbが使用された。実験では、電荷コレクター、静電イオン分析器、トムソンパラボラ質量分析器からなる相補的な粒子診断手法を適用した。レーザー生成プラズマが、電荷数zが1から約50、原子質量Aが1から約200 amu、エネルギーが数百電子ボルトから数メガ電子ボルトに及ぶイオンを供給できることを示す。

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Laser-produced plasma
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