David J. Connaughton

Diagram of typical air supply system

Laser Cutting | Articles

Purging the plenum for better laser cutting

June 23, 2009 | By David J. Connaughton

Typically, compressed air or nitrogen circulates in the plenum to ensure that water, dirt, dust, smoke, haze, and solid particulate matter are absent so that the mirrors in a laser resonator do not become cloudy. In recent years, membrane air dryer systems that provide drying and removal of particulate matter have been developed for flushing the beam path.

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