ELECTRIC PROBE MEASUREMENTS OF THE NORMAL CATHODE FALL IN CO2-LASER DISCHARGES

ELECTRIC PROBE MEASUREMENTS OF THE NORMAL CATHODE FALL IN CO2-LASER DISCHARGES

An electric probe was used for measurements of the normal cathode fall in a glow discharge in flowing CO2 laser mixtures (CO2:N2:He = 4.5:13.5:82 and 5:20:75) for uncooled copper, stainless-steel and tungsten cathodes. The results imply that the cathode fall value in the mixture is governed mainly b...

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Veröffentlicht in:Journal of applied physics 1992-05, Vol.71 (10), p.5251-5253
Hauptverfasser: STANCO, J, UHLENBUSCH, J
Format: Artikel
Sprache:eng
Schlagworte:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
Lasers
Optics
Physical Sciences
Physics
Physics, Applied
Science & Technology
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Zusammenfassung:An electric probe was used for measurements of the normal cathode fall in a glow discharge in flowing CO2 laser mixtures (CO2:N2:He = 4.5:13.5:82 and 5:20:75) for uncooled copper, stainless-steel and tungsten cathodes. The results imply that the cathode fall value in the mixture is governed mainly by the presence of carbon dioxide.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.350584