A three-electrode system for the formation of a self-sustained spatially homogeneous discharge was used in an atmospheric-pressure CO2 laser with an active volume of 0.28 m3. The area of the discharge aperture was 1400 cm2. The energy supplied by a preionization source was 270 J and the energy supplied by a pump source was 40 kJ. The specific output energy of the laser was 30 J/liter.
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Pavlovskiǐ et al. (1987) studied this question.
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