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.
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Transcribed Image Text: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 normal
incidence at stated wavelength, knowing that
5.
E = Er + iɛ¡
ɛ = n?
n = n, + in;
2wnį
a =
1
|n
R =
In + 1
where e is the dielectric constant, n is the refractive index, a is the absorption
coefficient and R is the reflectivity.
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