Question: Calculate the minimum thickness needed for an antireflective coating n = 1.38 applied to a glass lens in order to eliminate (a) Blue (450 nm),

Calculate the minimum thickness needed for an antireflective coating n = 1.38 applied to a glass lens in order to eliminate

(a) Blue (450 nm), or

(b) Red (720 nm) reflections for light at normal incidence.

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