Abstract
An original aerodynamic technique was developed for achieving uniform axial dc-discharges in CO2 gas mixtures Basic investigations of the discharge characteristics were conducted In open-gas cycle through measurements of both thermodynamic and electric properties of the discharge and of the small-signal gain coefficient at 10.6 μm. Uniform and stable axial dc-discharges were achieved in 3 to 10-cm diameter tubes at total pressure between 40–60 mbar. The volumetric input power density was 5 and 2.6 W/cm3 for the 5 and 10-cm diameter tube, respectively. The specific power was dose to 600 kW/kg/s. The small-signal gain coefficient averaged over the 80-cm discharge length was found to be 0.60 and 0.45 % per cm for the 5 and 10-cm tube, respectively.
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© 1987 Springer-Verlag Berlin Heidelberg
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Brunet, H., Mabru, M., Gastaud, M. (1987). Characteristics of Turbulent Flow Stabilized DC-Discharges for CO2 Lasers. In: Rosenwaks, S. (eds) Gas Flow and Chemical Lasers. Springer Proceedings in Physics, vol 15. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71859-5_6
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DOI: https://doi.org/10.1007/978-3-642-71859-5_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-71861-8
Online ISBN: 978-3-642-71859-5
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