POWERFUL PULSED SELF-SEEDING CO LASER Russian patent published in 2018 - IPC H01S3/223 H01S3/82 H01S3/11 

FIELD: electricity.

SUBSTANCE: invention relates to laser equipment. CO₂ laser comprises an unstable laser cavity in the form of a first optical resonator having a semi-transparent output coupler, a laser medium in the unstable laser cavity, and means for exciting the laser medium. Laser further comprises a second optical resonator optically coupled with the unstable laser cavity beyond the light aperture of the output coupler, wherein the second resonator comprises at least one focusing member, and wherein the optical length of the second optical resonator is equal to or is a multiple of the optical length of first optical resonator. Laser further comprises a Q-switching device arranged in the focal plane of said focusing member, and means for synchronising operation of the means for exciting the laser medium with operation of the Q-switching device.

EFFECT: technical result is enabling increase in radiation power.

9 cl, 5 dwg