Figure 111: Real part of a dielectric function of a semiconductor. The imaginary part would have a
peak around the residents.
Figure 112: Real and imaginar part of a dielectric function of the semiconductors Germanium and
Silicon. The imaginary part has two peaks around the resident.
Figure 113: Real and imaginar part of a dielectric function of the semiconductors Galium-Phosphor
and Galium-Arsenid. The imaginary part has two peak around the resident.