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Which consequence results when excessively pulsed laser ablates PMMA?

A)Increased surface roughness forms
B)Decreased ablation efficiency occurs
C)Uniform material removal results
D)Reduced heat affected zone appears

💡 Explanation

Increased roughness results because plasma formation during pulsed laser ablation exceeds the polymer's damage threshold; therefore, irregular bursts cause localized, non-uniform etching rather than controlled material vaporization because the material properties change with excessive energy.

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