Comparative Measurements of Ion and Electron Beams from Laser Ablation Plasma

Yasuo SAKAI; Tomonobu ITAGAKI; Kazuhiko HORIOKA

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Comparative Measurements of Ion and Electron Beams from Laser Ablation Plasma

机译：激光烧蚀等离子体中离子束和电子束的比较测量

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A laser ablation plasma was characterized as a source for high-flux particle beams. The ablation plasma was biased systematically from positive to negative high voltages and the fluxes of charged particles through a pair of extraction electrodes were measured. The ratio of available flux of electrons to that of ions was around 10. The result means the ion extraction is basically provided by the flux of supersonically drifting plasma and the electron extraction is determined by the flux of co-moving electrons exceeding a reduced sheath potential at the extraction electrode.

机译：激光烧蚀等离子体被表征为高通量粒子束的源。将消融等离子体从正高压系统偏置到负高压，并测量通过一对引出电极的带电粒子通量。电子与离子的可用通量之比约为10。结果意味着，离子提取基本上由超声漂移等离子体的通量提供，而电子提取则由共同移动的电子的通量超过降低的鞘层势确定在引出电极上。

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《Plasma and Fusion Research》 |2016年第3期|共1页
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Yasuo SAKAI; Tomonobu ITAGAKI; Kazuhiko HORIOKA;
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中图分类等离子体物理学;
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Comparative Measurements of Ion and Electron Beams from Laser Ablation Plasma

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