Waveform and Thin-film Interference
445nm
A wave is simply a periodic sequence
Overlapping waves can amplify
Or cancel out
Two waves at different wavelenghts can create interference patterns
7
Mostly Constructive interference after reflection, 142nm film
Destructive interference after Reflection, 76nm film
8
9
10
142nm film reflected spectrum
SiO2 on Si
76nm film reflected spectrum
SiO2 on Si
