| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas laser generator capable of preventing the degradation in laser oscillation efficiency by preventing a laser medium from dispersing in a boundary layer. SOLUTION: The gas laser generator includes a laser resonator 4, a duct 9 for feeding the laser medium to the laser resonator 4, and a spray nozzle 14 provided on the upstream in the duct 9 for spraying a non-reactive gas. The opening end of the nozzle 14 has its axial center line formed to extend toward the downstream of the duct 9 and provided in the boundary layer of a flow in the duct 9 formed in the vicinity of a wall surface in the duct to spray the gas along the wall surface. COPYRIGHT: (C)2006,JPO&NCIPI |
