Product Name: TeO2 Block Sused in Lidar, The Scanning of TV and Large Screen’ S Displayer, The Optical Memory of Photon Computer and Laser Communication. Shipping: FedEx, DHL, UPS... Currency: USD, Euro, RMB Trademark: FineWin Transport Package: Box Specification: customerised Origin: China Product Description TeO2 is a kind of acousto-optic material with high quality factor. It has good properties of birefringence and optical rotation with low velocity of propagation along (110) axis.Under the same clear aperture, the acousto-optic device produced by TeO2 crystals has the advantages of the orders of magnitude improvement in resolution, fast response speed, small driving power, high diffraction efficiency, as well as stable and reliable performance.Physical PropertiesCrystal StructureTetragonalPoint Group422Lattice Parameter )nm)a 0.4810c 0.7613Density5.99 g/cm3Melting Point730°CMohs Hardness4.5Transparency Range (nm)350 ~ 500Gradient of Refractive Index(×10-15)/cm≤5Refractive Indexno= 2.260n3= 2.142Transmittivity70%@632.8nmPhase Velocity (m/s)616Photo-elastic CoefficientP11=0.074 P13=0.340 P31=0.091 P33=0.240Figure of Merit( ×10-18S3)/gM2793Facilities: