FIELD: electrical engineering, physics.
SUBSTANCE: laser incorporates elongated solid main electrodes, each furnished with, at least, one UV-preionisation device. The gas flow zone is formed by gas flow dielectric guides and the main discharge electrode working surfaces. The said preionisation devices are arranged outside the gas flow zone to enlighten the gap between the main discharge through the gap between the main discharge electrodes and the flow dielectric guides.
EFFECT: laser efficient operation under the conditions of high pulse rate.
11 cl, 3 dwg
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