The time-dependent development of the macroscopic instability of a XeCl* laser discharge

Author

Bähr, Martin ; Bötticher, Woldemar ; Choroba, Stefan

Author_Institution

Inst. fur Plasmaphys., Hannover Univ., Germany

Volume

19

Issue

2

fYear

1991

fDate

4/1/1991 12:00:00 AM

Firstpage

369

Lastpage

378

Abstract

The discharge properties of a small XeCl* laser with a 1×1×20 cm³ lasing volume are investigated. The laser uses the X-ray-triggered switchless mode and is operated with Ne as buffer gas at 6 bar (Xe: 100 mbar HCl: 2.5-20 mbar). The macroscopic development of the discharge cross section observed by streak exposures and interferometric measurements is compared with a simplified one-dimensional model described. The model accounts for the field inhomogeneity of the Chang electrodes and the spatial variation of the preionization. With the help of this model, mechanisms responsible for the observed macroscopic instabilities are explained

Keywords

discharges (electric); excimer lasers; xenon compounds; 100 mbar; 2.5 to 20 mbar; 6 bar; Chang electrodes; Ne buffer gas; X-ray-triggered switchless mode; XeCl; XeCl* laser discharge; field inhomogeneity; interferometric measurements; macroscopic instability; one-dimensional model; preionization; streak exposures; time-dependent development; Cathodes; Current density; Electrodes; Gas lasers; Human computer interaction; Laser beams; Laser modes; Nonuniform electric fields; Surface discharges; X-ray lasers;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/27.106835

Filename

106835