Question

We want to coat glass with a quarter–wave thickness of mag- nesium flouride (n = 1.35?). We’d like this coating to work across the visible spectrum.

a. What should be the thickness of the coating?

b. Plot the reflectivity of the coated glass as a function of wavlength from 400 to 800nm. How much does it reflect at the minimum and maximum wavlengths?

Answer 1

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