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Which outcome occurs when thin-film interference minimizes light transmission in multi-layer dielectric mirrors?

A)High reflection across tuned wavelengths
B)Reduced thermal expansion coefficient overall
C)Increased refractive index homogeneity locally
D)Enhanced stimulated emission amplification widely

💡 Explanation

High reflection occurs because destructive interference minimizes transmission at specific wavelengths. Therefore, high reflection occurs across those tuned wavelengths, rather than increased refractive index, because the layering design achieves the intended function under suitable optical conditions.

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