ELECTRIC-DISCHARGE GAS LASER CHAMBER Russian patent published in 1997 - IPC

FIELD: laser engineering; pulsing electric-discharge lasers. SUBSTANCE: chamber has gas mixture, main and auxiliary discharge electrodes, and dielectric insulator made of polymeric material. Placed at insulator surface are screens of inorganic material resistant to effect of gas mixture and ultraviolet radiation, nontransparent for the latter and used to protect insulator from ultraviolet radiation built up in discharge chamber. Screens may be made in the form of film coating applied to inner surface of dielectric insulator. EFFECT: improved lifetime of gas mixture. 2 cl, 1 dwg