ABSTRACT
Without having to resort to the classical Kramers-Kronig transformation, a bound and an incoherent oscillator electron models for the energy description semiconductor heterostructures are proposed. The optical functions of PbTe between 0 and 25 eV are presented. The reflection curve of PbTe with 6 maxima is calculated. The consistent approximation approach of the reflectance factor to real value is advanced.
