Thin Film Interference & Stokes' Shift
\Delta x = 2\mu t \cos r - \frac{\lambda}{2} = m\lambda
Film: Soap Film (μ = 1.33) | Thickness: 350 nm
Refraction Angle: 22.8° (at i = 30.0°)
Bright Fringe
Order m = 1.0
Path Diff $\Delta x$
650 nm
Phase Diff $\delta$
2.00 π rad
Stokes' Phase Shift
π rad (Top Surface)
Reflected Intensity
98.5%