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Purging the Plenum for Better Laser Cutting: How Dry Compressed Air Can Increase Laser Intensity

From Parker Hannifin Filtration and Separation Div. / Balston Products

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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