Harrick Scientific offers a variety of polished windows for infrared and UV-Vis spectroscopy. Our windows are available in a variety of optical materials, including BaF₂, CaF₂, Ge, KBr, NaCl, Si, SiO₂, ZnSe and ZnS. Our stock discs are listed below. All windows are sold individually. For any sizes or materials not listed, we welcome the opportunity to quote.