Emittance Emittance in laser engraving refers to the thermal radiation emitted by a material's surface when exposed to laser energy. Understanding the emittance characteristics of different materials is essential for optimizing engraving parameters and achieving desired engraving effects, such as depth, contrast, and texture. Materials with higher emittance levels absorb and dissipate laser energy more efficiently, resulting in faster engraving speeds and improved engraving quality.
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