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← ScienceWhich outcome occurs when a high-energy pulsed laser impacts transparent material?
A)Optical breakdown creates micro-plasma✓
B)Refractive index remains uniform density
C)Stimulated Brillouin generates acoustic waves
D)Photo bleaching causes fluorescence quenching
💡 Explanation
Optical breakdown causes plasma generation when a laser intensity exceeds the material's threshold; this is because free electrons rapidly gain energy and ionize atoms by impact ionization. Therefore, micro-plasma forms within the transparent material rather than a uniform refractive index or stimulated scattering.
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