wl0 550[nm] Center wavelength
dWl 500[nm] Bandwidth
w0 20*wl0 Spot radius
nPrism 1.673 Refractive index of the glass prisms
nHigh 2.3 Refractive index of the high-index materials
nLow 1.38 Refractive index of the low-index material
z0 pi*nPrism*w0^2/wl0 Rayleigh range
a 8*w0/sqrt(1-(8*w0/z0)^2) Prism side
nLayers 7 Number of dielectric layers
dHigh wl0/4/nHigh/cos(alphaHigh) Thickness of high-index material layers
dLow wl0/4/nLow/cos(alphaLow) Thickness of low-index material layers
E0 1[V/m] Peak incident electric field
lda0 wl0 Wavelength in vacuum
k0 2*pi/lda0 Wave number in vacuum
kParallel k0*nPrism/sqrt(2) Wave vector component parallel to the boundaries
kHighNormal k0*sqrt(nHigh^2-nPrism^2/2) Wave vector component in high-index materials in the normal direction
kLowNormal k0*sqrt(nLow^2-nPrism^2/2) Wave vector component in the normal direction for low-index materials
dStack floor(nLayers/2)*(dHigh+dLow)+dHigh Thickness of thin-film stack
wlCount 11 Number of wavelengths in the sweep
alphaHigh asin(nPrism*sin(pi/4)/nHigh) Angle in high-index material
alphaLow asin(nPrism*sin(pi/4)/nLow) Angle in low-index material
xCOGu -(a/2+dStack/sqrt(2))/3 Center of gravity, upper triangle, x-coordinate
yCOGu -xCOGu Center of gravity, upper triangle, y-coordinate
xCOGl -xCOGu Center of gravity, lower triangle, x-coordinate
yCOGl xCOGu Center of gravity, lower triangle, y-coordinate