| 摘要 |
PROBLEM TO BE SOLVED: To obtain a cooling device for a laser oscillator which does not cause a reduction in a laser output due to a bubbles inflow, and has a superior cooling performance. SOLUTION: A conical roof sliding on an inner face of a cooled water tank provided in an upper part of a cooled water tank 8 is secured to and connected to a holder by a cap formed in a barrel-like section by a resilient body such as a rubber, etc. |
