Nonreflective coatings for camera lenses reduce the loss of light at various surfaces of multi-lens systems,as well as preventing internal reflections that might mar the image.Find the minimum thickness of a layer of magnesium fluoride (n = 1.38)on flint glass (n = 1.66)that will cause destructive interference of reflected light of wavelength $\lambda$ = 550 nm,a wavelength which is near the middle of the visual spectrum.

Question

Nonreflective coatings for camera lenses reduce the loss of light at various surfaces of multi-lens systems,as well as preventing internal reflections that might mar the image.Find the minimum thickness of a layer of magnesium fluoride (n = 1.38)on flint glass (n = 1.66)that will cause destructive interference of reflected light of wavelength

\lambda

= 550 nm,a wavelength which is near the middle of the visual spectrum.

Quizplus · Accepted Answer

The Answer of Nonreflective coatings for camera lenses reduce the loss of light at various surfaces of multi-lens systems,as well as preventing internal reflections that might mar the image.Find the minimum thickness of a layer of magnesium fluoride (n = 1.38)on flint glass (n = 1.66)that will cause destructive interference of reflected light of wavelength $\lambda$= 550 nm,a wavelength which is near the middle of the visual spectrum.

Nonreflective Coatings for Camera Lenses Reduce the Loss of Light λ\lambdaλ

Nonreflective Coatings for Camera Lenses Reduce the Loss of Light $\lambda$