Description

Available Germanium Products: Germanium Windows, Germanium Mirrors, Germanium Lens, Germanium Wafers, Germanium blank, Germanium Balls, ***** Germanium(Ge) based optical components are widely used for IR applications. Its blocks UV and visible light and in the infrared up to about 2µm. Ge based optical components include mirrors, windows and lenses etc., properties below: Crystal Type: …………………………………………………………………Cubic Lattice Parameter: …………………………………………………a=5.**7Ã… Transmission Band: …………………………………………………***2 um Mohs Hardness: ……………………………………………………………….6.3 Density: ……………………………………………………………….5.*3g/cm3 Melting Point: ………………………………………………………………**7 ℃ Refractive Index: ………………………………………4.***2 at *0.6um Resistivity: …………………………………………………………***0 ohm-cm Young’s Modulus: …………………………………………………….**3 GPa Thermal Expansion: …………………………………………6.1 x***6/℃ Thermal Conductivity: ………………………………**7mcal /cm/s/k Ge Widows and Mirrors Specifications: Diameter: ………………………………………………………*0.0/*0.*0mm Length: ……………………………………………………………………+/*0.2mm Chamfer: &*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;&*;€&*;*+/-*@********************face Figure (power/irregularity): …………1 fringe/0.5 fringe Parallelism: …………………………………………………< *0 arc Seconds Perpendicularity: …………………………………………………< 5 arc min Surface Quality: ………………………………………..*0/*0Scratch/Dig Please land Antek’s website for detail informations of our Germanium products.