Experimental optimization of beam quality extracted from a duoplasmatron proton ion source

被引：3
|
作者：
Batygin, Y.K. [1 ]
Draganic, I.N. [1 ]
Fortgang, C.M. [1 ]
机构：
[1] LANL, Los Alamos,NM,87545, United States
来源：
Review of Scientific Instruments | 2014年 / 85卷 / 10期
关键词：
Ion sources - Luminance;
D O I：
10.1063/1.4897150
中图分类号：
O572 [高能物理学];
学科分类号：
摘要：
The LANSCE accelerator facility operates with two independent ion injectors for H+and H-particle beams. The H+ion beam is formed using a duoplasmatron source followed by a 750 keV Cockroft-Walton accelerating column. Formation of an optimal plasma meniscus is an important feature for minimizing beam emittance, and maximizing beam brightness. A series of experiments were performed to find the optimal combination of extraction voltage and extracted current for the H+beam. Measurements yielded the best ratio of beam perveance to Child-Langmuir perveance of 0.52 for maximizing beam brightness. © 2014 AIP Publishing LLC.
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