Investigation of the characteristics of the explosive emission plasma of a liquid Ga cathode

Author

Popov, S.A. ; Proskurovsky, D.I. ; Batrakov, A.V.

Author_Institution

Inst. of High-Current Electron., Acad. of Sci., Tomsk, Russia

Volume

1

fYear

2000

fDate

2000

Firstpage

81

Abstract

A comprehensive study of the cathode plasma generated by a short (~100 ns) vacuum spark with a liquid-metal Ga cathode (LMC) has been performed. Using the method of measuring the “wall” current and time-of-flight mass spectroscopy has made it possible to investigate the most important plasma parameters (expansion velocity, temperature, density, and ion charge state distribution) and to measure some parameters characterizing the cathode processes (ion current percentage and ion erosion rate)

Keywords

cathodes; electric current measurement; gallium; liquid metals; plasma diagnostics; plasma production; sparks; time of flight mass spectroscopy; vacuum breakdown; 100 ns; Ga; cathode plasma generation; cathode processes characterisation; explosive emission plasma characteristics; ion current percentage; ion erosion rate; liquid Ga cathode; on charge state distribution; plasma density; plasma expansion velocity; plasma parameters; plasma temperature; time-of-flight mass spectroscopy; vacuum spark; wall current measurement; Cathodes; Charge measurement; Current measurement; Density measurement; Explosives; Plasma density; Plasma measurements; Plasma properties; Plasma temperature; Velocity measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Discharges and Electrical Insulation in Vacuum, 2000. Proceedings. ISDEIV. XIXth International Symposium on

Conference_Location

Xi´an

Print_ISBN

0-7803-5791-4

Type

conf

DOI

10.1109/DEIV.2000.877261

Filename

877261