V. Bystritskii, E. Garate, A. Qerushi, N. Rostoker, Y. Song, A. Vandrie, M. Anderson, S. Armstrong, N. Debolt, M. Morehouse, V. Matvienko, A. Petrov, N. Polkovnikova, S. A., I. Isakov, M. Binderbauer
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引用次数: 14
摘要
本文研究了在磁绝缘二极管(MID)中产生低能量(60-100 keV)、高密度(10 - 30 a /cm/sup / 2/)、微秒离子束(IB)的实验。通过凹环形磁透镜和直线螺线管的组合,将会聚环形IB首先进行弹道聚焦,然后转化为近轴圆柱形光束,并在真空中高效传输到>1 m的距离。透镜/螺线管系统中IB传播的二维单粒子计算机模拟支持了系统参数的优化。
Generation and transport of a low energy intense ion beam
The paper deals with experiments on generation and transport of a low energy (60-100 keV), high density (10 - 30 A/cm/sup 2/), microsecond ion beam (IB) generated in a magnetically insulated diode (MID) with an active hydrogen-puff ion source. The convergent annular IB was initially ballistically focused then transformed into a paraxial cylindrical shaped beam and transported in vacuum to a distance >1 m with high efficiency using a combination of a concave toroidal magnetic lens and a straight solenoid. 2D one-particle computer simulations of the IB propagation in the lens/solenoid system supported the optimization of the system parameters.