A magnesium-fluoride coating ( ) is deposited on a glass substrate ( )

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

A magnesium-fluoride coating (

n=1.38

) is deposited on a glass substrate (

n=1.52

). For normally incident light of wavelength

550\,\text{nm}

in air, calculate the second-thinnest coating thickness that yields minimum reflected intensity.