FIELD: engineering physics; manufacture of single-frequency stabilized gas lasers.
SUBSTANCE: proposed laser has resonator formed by mirrors that accommodates active element and frequency selector in the form of Fabry-Perot etalon whose faces are made at angle 
to plane perpendicular to laser axis and disposed at distance r = L/n from resonator output mirror to front face of Fabry-Perot etalon, where L is resonator length; n is number of resonator longitudinal modes within amplification line contour; Wo is least diameter of beam in resonator.
EFFECT: enhanced power and stability of single-frequency emission mode due to reduced resonator loss.
1 cl, 2 dwg
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