High-pulse-rate glow-discharge stabilization by gas flow

High-pulse-rate glow-discharge stabilization by gas flow

When a transverse-discharge CO2 laser with forced flow is pulsed rapidly, the minimum time between arc-free pulses is substantially greater than the time predicted by the ratio of electrode width to gas velocity. The maximum pulse rate is predicted accurately by flow-model solutions that determine t...

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Veröffentlicht in:Journal of applied physics 1973-01, Vol.44 (11), p.5061-5063
Hauptverfasser: Dzakowic, G. S., Wutzke, S. A.
Format: Artikel
Sprache:eng
Schlagworte:
CARBON DIOXIDE
ELECTRIC ARCS
GAS FLOW
GLOW DISCHARGES- STABILITY
LASERS
N70700 -Physics-Controlled Thermonuclear Research- Stability
PLASMA INSTABILITY
PULSE TECHNIQUES
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Zusammenfassung:When a transverse-discharge CO2 laser with forced flow is pulsed rapidly, the minimum time between arc-free pulses is substantially greater than the time predicted by the ratio of electrode width to gas velocity. The maximum pulse rate is predicted accurately by flow-model solutions that determine the time required to remove the glow-discharge products from the interelectrode space. The predictions were experimentally verified to a maximum pulse rate of 1 kHz using planar electrodes in a closed-cycle wind tunnel.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1662088