A lens made of glass (ng 5 1.52) is coated with a thin
Chapter , Problem 30(choose chapter or problem)
A lens made of glass (ng 5 1.52) is coated with a thin film of MgF2 (ns 5 1.38) of thickness t. Visible light is incident normally on the coated lens as in Figure P24.30. (a) For what minimum value of t will the reflected light of wavelength 540 nm (in air) be missing? (b) Are there other values of t that will minimize the reflected light at this wavelength? Explain.
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