Question: A coating is applied to a lens to minimize reflections. The index of refraction of the coating is 1.55, and that of the lens is

A coating is applied to a lens to minimize reflections. The index of refraction of the coating is 1.55, and that of the lens is 1.48. If the coating is 177.4 nm thick, what wavelength is minimally reflected for normal incidence in the lowest order?

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