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← ScienceWhich risk increases within an automated nanofabrication process when femtosecond laser pulses overlap?
A)Reduced material ablation efficiency
B)Increased heat-affected zone formation✓
C)Lower surface feature resolution
D)Enhanced coherent artifact generation
💡 Explanation
Increased heat-affected zone formation arises because thermal diffusion occurs during pulse overlap leading to higher average temperatures and **heat accumulation**, therefore damaging surrounding materials rather than precise structures because lower temperatures could have been achieved with non-overlapping pulses.
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