LASER PEENING APPARATUS AND LASER PEENING METHOD

摘要

An output part 41 for outputting the laser light 6, a light guide part 31 for guiding the output laser light 6, and a condensing lens 42 for condensing the guided laser light 6. ), The irradiation nozzle 32 for irradiating the focused laser light 6, and the distance from the irradiation target portion 5 of the laser light 6 to the irradiation nozzle 32. The focus change part 50 which changes a focal position, and the control part 66 which irradiates the laser beam 6 toward the irradiation target part 5 which water contacts, and performs laser peening are provided.