Aerogel, Nanotechnology, Optics.
light enters the material. If you are confused about the extinction coefficient (since it's the sum of the absorption coefficient and the scattering coefficient), this is another way to look at the equation! τ = [(β(a) + (β(s))] (s(2) - (s(1)) [(β(a) + (β(s))] = (β(e)) Property Revealed! 🔑 Since