FIELD: laser engineering.
SUBSTANCE: invention relates to laser equipment. Laser device comprises a slab crystal provided with a reverse reflection surface and a resonator filter material, substantially transparent to the frequency range of visible light provided on at least one side of said crystal and configured to receive light energy. Said energy includes a portion in the ultraviolet frequency range and a portion in the visible light frequency range. Resonator filter material converts a portion of the light energy into light energy in a second frequency range with frequencies less than, than in the ultraviolet range, for absorption by the slab crystal. Slab crystal is configured to absorb a portion of said portion of light energy in the visible light frequency range, transmitted through the resonator filter, and also configured to absorb a portion of the light energy in the converted frequency range to amplify the laser beam emitted from the slab laser. Slab crystal is configured to receive an incident light beam at one end thereof at one angle, and also configured to emit an amplified laser beam from said one end at any other angle different from said one angle, or emit an amplified laser beam linearly displaced from the incident light beam after absorbing the light energy of said second frequency.
EFFECT: technical result is increasing the efficiency of a lamp-pumped slab laser.
123 cl, 15 dwg, 1 tbl
