FIELD: physics.
SUBSTANCE: invention relates to physics of gas discharge and can be used to organize gas discharge in experimental physics, laser physics and plasma physics. Discharge in gas laser is arranged in discharge chamber by means of two electrodes, to which voltage pulses of opposite polarity are alternately supplied. Pulses have a rectangular shape. After each pulse of the same polarity, a pulse of opposite polarity is supplied to the electrodes by means of two electronic switches, each of which alternately connects power supplies of opposite polarity to the electrodes.
EFFECT: high efficiency of using the power supplied to the discharge to generate the required concentrations of electronically excited particles in plasma, including those for optical pumped laser on metastable atoms of noble gases, and improved optical characteristics of the gaseous laser medium by eliminating the optical "wedge".
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