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Effect of solenoidal magnetic field on charge-state purity in laser ion source
High Energy Density Physics ( IF 1.6 ) Pub Date : 2020-05-20 , DOI: 10.1016/j.hedp.2020.100812
Kazumasa Takahashi , Takahiro Karino , Shunsuke Ikeda , Takeshi Kanesue , Masahiro Okamura , Toru Sasaki , Takashi Kikuchi

A solenoidal magnetic field has been used to enhance the ion flux of a laser ion source. However, the dependence of the increase in ion current on the charge-state has not been clarified. In this study, to control the purity of the charge-state in the laser ion source, we investigated the effect of a solenoidal magnetic field on the charge-state distribution of ions in laser ion sources with a solenoid. The results indicate that the flux of ions with a heavier and/or lower charge-state can be increased using higher magnetic flux densities, and that each charged ion has an optimal solenoidal magnetic flux density that maximizes its flux. These results imply that it is possible to increase the purity of the desired charge-state ions by selecting a suitable solenoidal magnetic flux density.



中文翻译:

螺线管磁场对激光离子源中电荷态纯度的影响

螺线管磁场已经被用来增强激光离子源的离子通量。但是,离子电流的增加对充电状态的依赖性尚未明确。在这项研究中,为了控制激光离子源中电荷状态的纯度,我们研究了螺线管磁场对带有螺线管的激光离子源中离子的电荷状态分布的影响。结果表明,使用较高的磁通量密度可以增加具有较重和/或较低电荷状态的离子的通量,并且每个带电离子都具有最佳的螺线管磁通量密度,从而使通量最大化。这些结果表明,可以通过选择合适的螺线管磁通密度来提高所需电荷态离子的纯度。

更新日期:2020-05-20
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