• 🔆 Maxwells equations
  • Snell's law
  • Intensity due to polarising filter
  • Thickness ($t$) for circular polarised light
  • For anisotropic material the path difference $\Delta \lambda$ and phase shift $\Delta \phi$ are
  • Coherence length of a laser
  • For Fabry-Perot:
  • Fourier transform
  • Michelson interferometer spectrograph: $I_s(k)=I\delta(k-k_1)$ → $E=\sqrt{I}(1+e^{ikd})e^{i(kz-\omega t)}$
  • Typical formulas
  • Sin and Cos identities
  • Rayleigh criterion for resolution
  • Wollaston prism deviation angle
  • Fresnel number