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← ScienceWhich mechanism limits hologram resolution using coherent laser light?
A)Speckle from surface imperfections✓
B)Chromatic aberration by lens
C)Fresnel diffraction around edges
D)Polarization mode dispersion effects
💡 Explanation
Speckle limits resolution caused by coherent light scattering off surface structures, creating constructive/destructive interference patterns. Speckle increases noise because random phase variations are amplified by interference, therefore distorting the holographic image, rather than the individual points exhibiting chromatic or other distortions.
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