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← ScienceWhich risk increases when a pulsed laser exceeds ablation threshold?
A)Ionization yields plasma formation immediately✓
B)Material experiences complete optical transparency
C)Laser functions as an optical waveguide
D)Acoustic modes reduce damage locally
💡 Explanation
Plasma formation risks induced damage because exceeding ablation threshold causes rapid material ionization. This photoelectric effect overwhelms existing states, so massive energy absorption creates plasma, rather than controlled thermal changes or optical effects.
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