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Which limiting outcome occurs when an ablative laser machining process?

A)Heat-affected zone increases greatly
B)Wavelength shifts beyond coherence
C)Beam divergence decreases steadily
D)Refractive index shifts minimally

💡 Explanation

Excessive laser energy causes increased ablation, generating significant heat; Lateral Heat Conduction then affects surrounding material because the energy spreads rather than vaporizing it, therefore the heat-affected zone enlarges greatly, rather than minimal effects targeting a single area.

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