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← ScienceWhich consequence results when a high-powered laser ablates confined silicon?
A)Plasma formation and optical breakdown✓
B)Increased specular reflection efficiency
C)Decreased lattice vibration amplitude
D)Suppression of thermal diffusion gradients
💡 Explanation
Plasma forms at silicon's surface heated intensely by the laser; therefore strong ionization causes optical breakdown rather than simply material melt or vaporization, because direct energy is converted to particle kinetic energy rather than slower thermal conduction.
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