| 摘要 |
PROBLEM TO BE SOLVED: To provide an ophthalmic laser surgery device that can treat patient's eyes accurately in a short time by appropriately changing repeating frequency of a laser pulse.SOLUTION: An ophthalmic laser surgery device includes: a laser device 10; a scanning unit; and a control unit. A seed light source 110 of the laser device 10 is a light source for driving a gain switch. The seed light source 110 has a variability of repeating frequency, and generates a seed laser pulse having a pulse width of between 10 femtosecond or more and 1 nanosecond or less according to the determined repeating frequency. The laser device 10 changes the repeating frequency of the laser pulse emitted towards outside of the laser device 10 by changing the repeating frequency of the seed laser pulse generated by the seed light source 110. The control unit changes the repeating frequency of the laser pulse emitted from the laser device 10 according to a scanning speed of a light focus position by the scanning unit.SELECTED DRAWING: Figure 2 |
