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← ScienceWhich consequence results when the spatial coherence of the illumination reaching a lenslet array with optimized focal points declines?
A)Increased optical crosstalk between lenslets✓
B)Reduced thermal lens effect in material
C)Improved diffraction-limited spot resolution
D)Decreased scattering angle at rough interfaces
💡 Explanation
Increased optical crosstalk occurs because declining spatial coherence reduces the correlation between beams emerging from lens aperture; therefore, beams diverge more rapidly compared to coherent illumination, rather than focusing cleanly because of increased angular spread.
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