Production of powerful electron beams in dense gases

被引：50

作者：

Tarasenko, VF

Yakovlenko, SI

Orlovskii, VM

Tkachev, AN

Shunailov, SA

机构：

[1] Russian Acad Sci, Inst High Current Elect, Siberian Div, Tomsk 634055, Russia

[2] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia

[3] Russian Acad Sci, Inst Electrophys, Ural Div, Ekaterinburg 620049, Russia

来源：

JETP LETTERS | 2003年 / 77卷 / 11期

关键词：

D O I：

10.1134/1.1600816

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Subnanosecond electron beams with the record current amplitude (similar to70 A in air and similar to200 A in helium) were produced at atmospheric pressure. The optimal generator open-circuit voltage was found for which the electron-beam current amplitude produced in a gas diode was maximal behind a foil. It was established that the electron beam was produced at the stage when the cathode plasma closely approaches the anode. It was shown that a high-current beam can be produced at high pressures because of the presence of the upper branches in the curves characterizing the electron-escape (runaway) criterion and the discharge-ignition criterion (Paschen curve). (C) 2003 MAIK "Nauka / Interperiodica".

引用

页码：611 / 615

页数：5

共 50 条

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