lam0 600[nm] "Free-space wavelength" np 1.509 "Prism refractive index" nf1 2.0535 "Refractive index, layer 1" nf2 1.496 "Refractive index, layer 2" nf3 1.664 "Refractive index, layer 3" nf4 2.346 "Refractive index, layer 4" tf1 0.089*lam0 "Thickness, layer 1" tf2 0.3856*lam0 "Thickness, layer 2" tf3 0.111*lam0 "Thickness, layer 3" tf4 0.0447*lam0 "Thickness, layer 4"