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← ScienceWhich outcome results when variable thickness dielectric coating introduces wavelength-scale variations in light path?
A)Reduced overall mirror reflectance✓
B)Increased energy confinement in coatings
C)Enhanced broadband antireflection effect
D)Minimized chromatic dispersion effects
💡 Explanation
Reduced reflectance occurs because destructive interference within dielectric layers causes wavefront cancellation. This interference suppresses reflection for particular wavelengths; therefore net reflectance decreases rather than optimizing performance via constructive techniques.
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