Laser Cutting Glossary - L

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Laser
Light Amplification by the Stimulated Emission of Radiation.

Laser Cavity
A laser cavity or laser resonator is the system of optical mirrors, the active medium and pumping system where lasing takes place.

Laser Cutting
A process using an industrial laser to cut metals or other materials in fabrication. Typical materials suitable for laser cutting include aluminium, mild steel or stainless steel.

Laser Fusion Cutting
Laser cutting by melting and blowing with a gas jet. Also known as melt shearing.

Laser Generated Air Contaminants (LGAC)
Laser cutting can produce fumes which may be toxic, and therefore safety precautions may need to be taken.

Laser Oscillation
The buildup of coherent energy caused by the wave bouncing back and forth between the mirrors in the laser cavity.

Lens
An optic that causes light rays to converge to a point by refraction or reflection.