Laser
Cutting Glossary - A
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Ablation
The removal of material from a surface by melting or evaporation.
Absorbance
A measure of a material's ability to absorb radiant energy
such as light.
Active Medium
A collection of atoms or molecules which can be stimulated
to emit electromagnetic radiation.
Aperture
A small hole through which electromagnetic radiation such
as a laser beam passes.
Assist Gas
A gas such as nitrogen or oxygen, or sometimes one of several
inert gases, used to blow molten metals away from the
cut.
Attenuation
The reduction in the energy or power of a laser beam due
to absorbtion or scattering as it travels through a medium.
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