Why is uv laser 355nm easy to damage?

Why are UV lasers easily damaged? The editor of Dehui Optoelectronics will answer you. At present, the laser equipment used for marking on the market mainly includes carbon dioxide marking machine, optical fiber marking machine and ultraviolet marking machine. Among them, the optical fiber marking machine has a lifespan of up to 100,000 hours, and the carbon dioxide laser machine has a long lifespan. Basically, it takes about two years to return to the factory for maintenance, and the main reason is that the UV crystal needs to be replaced. UV laser at work

Ultraviolet rays will ionize the air, and UV crystals are insulators. After ionization, the crystals are charged and adsorb dust particles in the air.

The surface of the crystal is damaged by ultraviolet irradiation. The ultraviolet itself has a short wavelength and is also very easy to damage the crystal.

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Basically, the crystal of the ultraviolet laser will be damaged when it works for about 12,000 hours, and it needs to be returned to the class 100 clean room and replaced by a professional optical engineer. In addition, the life of the laser module is

After about 15,000 hours, the service life will decline sharply. Because the laser is damaged and cannot be repaired on site, it is very important to use the follow-up service of the UV laser marking machine. Currently only

There are three laser equipment companies with laser repair capabilities. Able to repair the customer's laser equipment in a very short time without affecting the customer's production