| 摘要 |
PURPOSE: To cope with the changes of the operating temperature of a device and the ambient temperature and the changes of the device with the passage of time, prevent a malfunction, and obtain a stable laser output by controlling the energy feed to an excitation light source based on the detection result of the output of the pulse laser beam oscillated from a solid laser oscillator. CONSTITUTION: A controller 31 has a program for obtaining the change of the feed energy against the temperature change, and it detects the temperature change and corrects the level of the energy fed to a flash lamp 3. The temperature in a YAG laser oscillator 1 is detected by a temperature sensor 7, and the controller 31 makes a correction calculation according to the program and corrects the level of the energy fed to the flash lamp 3. The ambient temperature is detected by a temperature sensor 38. When the ambient temperature is higher than the prescribed reference, a device warns it. When the temperature detected by the temperature sensor 7 becomes abnormally high, whether it is caused by the YAG laser oscillator 1 or not is judged, and the device warns it and instructs necessary actions to an operator. |
