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Which consequence results when excessive power causes filamentation?

A)Beam disintegration into multiple filaments
B)Increased pulse duration stabilizes modes
C)Uniform spectral broadening increases gain
D)Refocusing increases the Kerr effect

💡 Explanation

Multiple beam filaments are formed; self-focusing increases intensity; nonlinear effects then cause the spatial disintegration because intensity gradients become too large, triggering the Beam Break-Up mechanism. Therefore, the beam breaks-up, rather than undergoing broadening or stabilization, under these extreme conditions.

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