Forevacuum plasma-cathode electron source for generation of a ribbon beam over a wide pressure range

被引：1

作者：

Klimov, A. S. ^{[1
]}

Bakeev, I. Yu. ^{[1
]}

Burachevsky, Yu. A. ^{[1
]}

Dagri, J. E. ^{[1
]}

Oks, E. M. ^{[1
,2
]}

Zenin, A. A. ^{[1
]}

机构：

[1] Tomsk State Univ Control Syst & Radioelect, Lab Plasma Elect, Tomsk 634050, Russia

[2] Inst High Current Elect SB RAS, Lab Plasma Sources, Tomsk 634034, Russia

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2023年 / 94卷 / 07期

关键词：

DISCHARGE; ENERGY; FIELD;

D O I：

10.1063/5.0159804

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We describe the results of our investigations of the generation of a ribbon electron beam (10 x 220 mm(2)) by a two-stage discharge system based on a hollow-cathode glow discharge plasma. The source design enables operation in the pressure range 2 x 10(-2) to 10 Pa. At a beam accelerating voltage of 8 kV, the beam current is 450 mA at a pressure of 2 x 10(-2) Pa and 150 mA at a pressure of 10 Pa. To achieve a uniform current density distribution of the beam over its cross-sectional area, a special design of emission electrode was employed. This enabled us to reduce non-uniformities of the beam current density distribution to a level of 10%.

引用

页数：6

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