Specifications: Single crystal sapphire possesses a unique combination of excellent optical, physical and chemical properties. Its properties depend on crystallographic direction (relative to the optical C-axis). Maximum available size for windows, lenses and blanks made of high purity optical grade single Kyropulos grown Sapphire:250 mm Dia x 120 mm Thk and 175 mm Square x 120 mm Thk. Optical components including: Windows, lenses, prisms, mirrors, filters, substrates, wedges for ultraviolet, visible and infrared spectral regions made from kbr, nacl, kcl, csi, caf2, baf2, lif, mgf2, znse, sapphire, SI, ge, optical glasses, astrosital and fused silica.