FIELD: physics.
SUBSTANCE: according to the method for generating radiation in a laser generator-amplifier system of a metal-vapor, comprising an oscillator with an optical resonator and an amplifier made on active metal-vapor laser cells, spatial filtering of the generator radiation is performed with a spatial filter, an opaque plate is placed in the focal plane of the filter and an opening is formed in it by means of the generator's own radiation.
EFFECT: generating laser radiation in the generator-amplifier system at the level of diffraction divergence, reducing the system dimensions, reducing the complexity of manufacturing the diaphragm and its alignment.
2 cl, 3 dwg
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