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Which risk increases when laser light exceeds lens NA?

A)Aberration dominates image fidelity
B)Diffraction induces intensity variations
C)Polarization shifts retard signals
D)Coherence decreases optical efficiency

💡 Explanation

Spherical aberration dominates imaging because the increasing ray angle exceeds the lens's capacity to accurately focus all light to a single point due to high numerical aperture effects. Therefore, image quality degrades, rather than diffraction or polarization, which cause intensity variations in other scenarios.

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