Sapphire Glass Discs Φ11-30mm – 2000°C, Broadband UV-IR

Large-format sapphire glass discs, single-crystal Al₂O₃ Diameter 11–30mm, thickness 0.3–5mm Mohs 9 hardness – extreme wear resistance Transmits 150nm–5.5μm (deep UV to mid-IR) Heatproof to 2000°C, chemically inert Double-side polished, <0.5nm surface roughness Versatile: optical windows, substrates, laser components, IR viewports