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← ScienceWhich outcome arises when high-power laser pulses undergo self-focusing?
A)Filamentation induces optical damage✓
B)Brewster's angle optimizes reflectance
C)Fresnel diffraction creates stable cavities
D)Raman scattering reduces beam coherence
💡 Explanation
High intensity laser pulse causes a refractive index increase in a medium, due to the Optical Kerr Effect and self-focusing. Filamentation appears which leads to intense localized energy deposition triggering plasma formation and damage, rather than reflectance effects, therefore damaging optical elements.
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