The reflectivity spectra of (PbO)x(TeO2)y(SiO2)1-x-y glasses were measured at 100-1400 cm-1. Spectral dependence of the absorbtion coefficient K in the infrared range was determined using oscillator fit.
The reflectivity spectra of (PbO)x(TeO2)y(SiO2)1-x-y glasses were measured at 100-1400 cm-1. Spectral dependence of the absorbtion coefficient K in the infrared range was determined using oscillator fit. (en)