By User:Stigmatella aurantiaca - Own drawing, created using Inkscape, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=30147828Stazione Sperimentale del Vetro is capable of supporting glass producers, manufaturers and users in characterizing the main optical properties of glass, such as transmittance, reflectance and absorbance (in the range from ultraviolet to infrared), color point and redox state, refractive index.