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Plasma kinetic effects of nitrogen and hydrogen addition to carbon-monoxide laser discharges

Murray, G.A. and Smith, A.L.S. (1982) Plasma kinetic effects of nitrogen and hydrogen addition to carbon-monoxide laser discharges. Journal of Physics D: Applied Physics, 15 (11). pp. 2125-2133. ISSN 0022-3727

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Abstract

The effects of the additive gases nitrogen and hydrogen on the gain, electron density, discharge voltage and positive-ion spectra of the plasmas of room-temperature sealed-off CO-He-Xe gas laser mixtures have been examined. Hydrogen affects the electron kinetics little, but its addition is always detrimental because the vibrationally excited CO is relaxed by V-T collisions. The effect of nitrogen is more complex; there is a beneficial CO-N2 vibrational pumping channel and a detrimental effect due to increased discharge voltage and hence gas heating. It is not a necessary additive for high-power laser operation.

Item type: Article
ID code: 17831
Keywords: electric discharges, gas lasers, rotational and vibrational energy transfer, plasmas, Plasma physics. Ionized gases, Surfaces, Coatings and Films, Acoustics and Ultrasonics, Electronic, Optical and Magnetic Materials, Condensed Matter Physics
Subjects: Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 06 May 2010 19:56
    Last modified: 05 Sep 2014 00:26
    URI: http://strathprints.strath.ac.uk/id/eprint/17831

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