Based on the damage conditions of different types of lasers and controllers, the maintenance content generally includes the following common situations:

Collimation debugging and detection, adjusting the light spot;

The semiconductor pump module is damaged, replace the semiconductor pump module;

The pump lamp is aging, leading to a decrease in luminous efficiency. Replace the pump lamp;

The pump cavity is aging, leading to a decrease in reflection efficiency. Repair the pump cavity; The frequency doubling module of each multiple level is damaged, replace the frequency doubling module;

The Q-switch is damaged and needs to be replaced as a whole;

Laser crystal damage, replace the laser crystal;

The laser's heat dissipation is abnormal, and it is necessary to inspect the entire laser. Because high-power LD has a low efficiency of converting electricity to light, most of the electrical power is converted into heat, so it is necessary to inspect and adjust the entire optical path to ensure high-precision temperature control. Damage, repair and test of laser PCB;

The overall heat dissipation effect of the controller is not good, and the air cooling maintenance fan is required; Inspect and repair the cooling and heat dissipation device for water cooling.