FIELD: quantum electronics; nonlinear optics, optical location, bathymetry, etc. SUBSTANCE: laser with electrooptical modulation of cavity Q-factor has two cavity-end mirrors, quarter-wave phase plate, illumination with cylindrical active element, pump lamp, and reflector, polarizer, and electrooptical element; second identical electrooptical element and 90-deg optical rotator are inserted between mirror and electrooptical element; axes of inserted electrooptical element and illuminator are oriented in definite manner relative to polarizer transmission plane. EFFECT: provision for producing high-power radiation pulses are repetition rates of hundreds of Hz in nanosecond pulse range. 1 dwg
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