Laser Safety

Lasers are classified by both wavelength and maximum output power into four basic classes which categorize them according to their ability to produce damage to people operating them, from Class 1 (no hazard during normal use) to Class 4 (very hazardous for eyes and skin). Lasers used for welding, marking and cutting are generally Class 4 lasers.

When operating a Class 4 laser, it is essential to protect yourself and others in the area by using the right safety glasses and placing the laser in a room and/or surrounded by special barriers to protect bystanders from direct contact with the laser beam.

Most laser workstations used in manufacturing are built to be integrated with Class 4 lasers and house the laser beam securely in an enclosure that is both interlocked and fixed with a laser-safe viewing window. The integration of a Class 4 Nd:YAG laser for welding, for example, into a Class 1 enclosure creates a safe, Class 1 environment.

Learn more by reading our blog Laser welding, marking, cutting? Top 2 safety questions answered!

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