Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
A thin coating applied to a surface that eliminates reflected light by creating destructive interference between light reflected from the two surfaces of the coating, using relationships between indices of refraction, phase shift, and wavelength.