Magnetic plasma confinement for laser ion source

被引：25

作者：

Okamura, M. ^{[1
,2
]}

Adeyemi, A. ^{[3
]}

Kanesue, T. ^{[2
,4
]}

Tamura, J. ^{[2
,5
]}

Kondo, K. ^{[2
,5
]}

Dabrowski, R. ^{[1
]}

机构：

[1] Brookhaven Natl Lab, Upton, NY 11973 USA

[2] RIKEN, Wako, Saitama 3510198, Japan

[3] Holyoke Community Coll, Holyoke, MA 01040 USA

[4] Kyushu Univ, Fukuoka 8190395, Japan

[5] Tokyo Inst Technol, Yokohama, Kanagawa 2268502, Japan

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 02期

关键词：

ion sources; plasma confinement; plasma production by laser; plasma sources; solenoids;

D O I：

10.1063/1.3267312

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A laser ion source (LIS) can easily provide a high current beam. However, it has been difficult to obtain a longer beam pulse while keeping a high current. On occasion, longer beam pulses are required by certain applications. For example, more than 10 mu s of beam pulse is required for injecting highly charged beams to a large sized synchrotron. To extend beam pulse width, a solenoid field was applied at the drift space of the LIS at Brookhaven National Laboratory. The solenoid field suppressed the diverging angle of the expanding plasma and the beam pulse was widened. Also, it was observed that the plasma state was conserved after passing through a few hundred gauss of the 480 mm length solenoid field.

引用

页数：3

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