Anti-Reflection Coating ·
n₁d = λ₀/4
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.com · quarter-wave film · destructive interference · glass vanishes
Reflection
4.3%
Film
λ/4
phase
—
Incoming light
Top reflection (air/film)
Bottom reflection (film/glass)
Coated surface (near-zero)
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.com · Anti-Reflection Coatings