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← ScienceWhich outcome occurs when a pulse-compressed laser emits towards a Kerr-effect-based nonlinear crystal?
A)Self-focusing becomes increasingly aggressive✓
B)Temporal pulse broadening is minimized
C)Spatial coherence degrades more rapidly
D)Photon antibunching rate will decay
💡 Explanation
Self-focusing intensifies because the optical Kerr effect induces a refractive index change that focuses the beam as intensity increases. This causes increased self-focusing, rather than broadening, because photons are focused therefore spatial coherence wouldn't directly lessen.
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