Parameters affecting the power distribution in the radio frequency discharge of large-area diffusion-cooled CO2 lasers

Year: 1998

Authors: Lapucci A., Mascalchi S., Ringressi R.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: An efficient power extraction from radio frequency (RF) excited CO2 lasers can only be obtained by means of a uniform discharge power distribution, This distribution is mainly determined by the line-effect produced by the discharge structure, In this paper we report on a set of measurements performed on the luminosity of a large-area discharge showing the role played by parameters such as local gas temperature, density, and composition. In particular, the existence is shown of conditions in which these parameters move distributions away from the known sheaths driven lossless line behavior.


Volume: 34 (4)      Pages from: 616  to: 621

KeyWords: Diffusion-cooled CO2 lasers; RF discharges; RF excited CO2 lasers
DOI: 10.1109/3.663437

Citations: 5
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