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← ScienceWhich destructive consequence escalates when pulsed laser coherence increases?
A)Ablation threshold energy density decreases✓
B)Spectral broadening efficiency decreases
C)Material oxidation resistance increases
D)Nonlinear scattering cross-section diminishes
💡 Explanation
Increased laser coherence enables more efficient energy deposition, because constructive interference raises the peak intensity at a target site; therefore the ablation threshold decreases, rather than oxidation increasing which needs specific chemistry influences.
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