Power Density Power density refers to the amount of laser power concentrated within a given area on the material surface during engraving. It is a critical parameter that determines the intensity of laser energy applied to the material and influences engraving depth, speed, and quality. Power density is calculated by dividing the laser power by the area over which the laser beam is focused or distributed.
In laser engraving, controlling power density is essential for achieving desired engraving effects while minimizing heat-affected zones, material damage, and surface irregularities. Optimizing power density involves adjusting laser parameters such as power levels, focal lengths, and spot sizes to match material characteristics and engraving requirements. |
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