Korth Kristalle GmbH,透射片,光學晶體,透射鏡片材料 ,Magnesium Oxide (MgO) 氧化鎂

透射鏡片材料 — Magnesium Oxide (MgO) 氧化鎂

 

Transmission Range0,3 – 7,5μm (thickness 0,49/5,5mm)
Refractive Index1,73461 @633 nm
Reflection Loss6,6% @3 μm
Density3.585 g/cm3
Melting point2832°C
Molecular Weight40.311
Thermal Conductivity59 W/(m·K) @300K
Spec. Heat Capacity923.5 J/(kg·K)
Thermal Expansion11 · 10-6?/°C @300 K
Hardness (Mohs)692 (Indenter Load 600g)
Young’s Modulus248.73 GPa
Shear Modulus154.56 GPa
Bulk Modulus155
Fracture Modulus130 MPa
Elastic CoefficientC11?= 294; C12?= 93; C44?= 155 GPa
Dielectric Constant9.65 @f = 100 Hz…100 MHz, 298K
Solubility in Water0.00062 g/100g
Crystal StructureSingle crystal, synthetic
Crystal Typecubic, NaCl type structure, a0 = 4.212 ?
Cleavage Planes(100)
Poisson Ratio0.18
ApplicationSubstrates for superconductive and for pyroelectric thin films, super high temperature crucibles, window material for super high temperature furnaces, optical material

Optical components for all wavelengths?,光學組件