Salt absorbs in the infrared. The complex dielectric constant at wavelength 60µm is-16.8 + i91.4. Calculate the absorption coefficient and the reflectivity at normalincidence at stated wavelength, knowing that5.E = Er + iɛ¡ɛ = n?n = n, + in;2wnįa =1|nR =In + 1where e is the dielectric constant, n is the refractive index, a is the absorptioncoefficient and R is the reflectivity.

Given: ε=εr+iεi ε=n2 n=nr+ini α=2ωnic R=n-1n+12

Salt absorbs in the infrared. The complex dielectric constant at wavelength 60 -16.8 + 191.4. Calculate the absorption coefficient and the reflectivity at norn incidence at stated wavelength, knowing that ɛ = Er + iɛi ɛ = n? n = n, + in¡ 2wni %3D a = C n - 1 R = |n + 1 e is the dielectric constant, n is the refractive index, a is the absorption coefficient and R is the reflectivity.

Salt absorbs in the infrared. The complex dielectric constant at wavelength 60 -16.8 + 191.4. Calculate the absorption coefficient and the reflectivity at norn incidence at stated wavelength, knowing that ɛ = Er + iɛi ɛ = n? n = n, + in¡ 2wni %3D a = C n - 1 R = |n + 1 e is the dielectric constant, n is the refractive index, a is the absorption coefficient and R is the reflectivity.