Generation and transport of a low energy intense ion beam

被引:13
|
作者
Bystritskii, V [1 ]
Garate, E
Rostoker, N
Song, Y
VanDrie, A
Anderson, M
Qerushi, A
Dettrick, S
Binderbauer, M
Walters, JK
Matvienko, V
Petrov, A
Shlapakovsky, A
Polkovnikova, N
Isakov, I
机构
[1] Tri Alpha Energy Inc, Foothill Ranch, CA 92610 USA
[2] Univ Calif Irvine, Irvine, CA 92697 USA
[3] Tomsk Polytech Univ, Inst Nucl Phys, Tomsk 634050, Russia
[4] Tomsk Polytech Univ, Inst High Voltage, Tomsk 634050, Russia
关键词
D O I
10.1063/1.1759400
中图分类号
O59 [应用物理学];
学科分类号
摘要
The paper describes experiments on the generation and transport of a low energy (70-120 keV), high intensity (10-30 A/cm(2)) microsecond duration H+ ion beam (IB) in vacuum and plasma. The IB was generated in a magnetically insulated diode (MID) with an applied radial B field and an active hydrogen-puff ion source. The annular IB, with an initial density of j(i)similar to10-20 A/cm(2) at the anode surface, was ballistically focused to a current density in the focal plane of 50-80 A/cm(2). The postcathode collimation and transport of the converging IB were provided by the combination of a "concave" toroidal magnetic lens followed by a straight transport solenoid section. With optimized MID parameters and magnetic fields in the lens/solenoid system, the overall efficiency of IB transport at the exit of the solenoid 1 m from the anode was similar to 50% with an IB current density of 20 A/cm(2). Two-dimensional computer simulations of post-MID IB transport supported the optimization of system parameters. (C) 2004 American Institute of Physics.
引用
收藏
页码:1249 / 1256
页数:8
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