Glastech. Ber. Glass Sci. Technol. 72 (1999)

Does Shelyubskii´s Evaluation Method Characterize the Homogeneity of Glass?

Hans-Jürgen Hoffmann Institut für Nichtmetallische Werkstoffe: Glaswerkstoffe

Technische Universität Berlin Englische Strasse 20, 10587 Berlin, Germany

Abstract A formula given by Shelyubskii has been used in several publications to characterize the homogeneity of glasses from internal spectral transmittance curves of Christiansen filters. It is shown that this evaluation method cannot provide any useful data on the homogeneity of glass.