Sapphire window Dimension::1~ 50mm+/-0.1mm Thickness:1~10mm+/-0.1mm Transmission in 0.3-5.0um, no absorption in 2-3um Sapphire window Single crystal sapphire possesses a unique combination of excellent optical, physical and chemical properties. The hardest of the oxide crystals, sapphire retains its high strength at high temperatures, has good thermal properties and excellent transparency. It is ...