$$\:\begin{array}{c}{N}_{\text{m}}=cos\:\left(2\psi\:\right),\:\:{C}_{\text{m}}=\text{sin}\left(2\psi\:\right)cos\left(\varDelta\:\right),\:\:and\:{S}_{\text{m ...
Spectroscopic ellipsometry is a surface sensitive, non-destructive, and non-intrusive optical metrology technique widely used to determine thin film thickness and optical constants (n, k).