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← ScienceWhich outcome occurs when operating a femtosecond laser?
A)Optical breakdown induces micro-machining✓
B)Significant material deformation from heating
C)Photodiodes experience power saturation
D)Gas purging prevents surface oxidation
💡 Explanation
Optical breakdown causes micro-machining effects because extremely high intensity pulses induce rapid ionization and ablation of the material. Therefore, precise micromachining occurs rather than thermal damage, because the pulse duration is too short for significant heat diffusion.
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