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← ScienceWhich consequence results when laser light experiences excessive self-focusing inside fused silica?
A)Material refractive index becomes uniform
B)Filamentation creates optical breakdown✓
C)Stimulated emission decreases rapidly
D)Laser pulse duration approaches zero
💡 Explanation
Filamentation causes optical breakdown because the Kerr effect induces a positive feedback loop in refractive index, leading to intense self-focusing. This outcome creates plasma and damages the silica glass rather than improving its properties.
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