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03 Mag Fluoruro di magnesio (MgF2)
Posted at 22:03h
in MgF2
Specification | |
---|---|
Transmission wavelength | 110nm - 7500nm |
Material | Magnesium Fluoride (MgF₂) |
Density (g/cm³) | 3.177 |
Dielectric constant | 4.87 (parallel C axis) 5.44 (vertical C axis) |
Melting point (°C) | 1255 |
Chemical purity | 99.9996 |
Thermal expansion coefficient (1/k) | 7*10¯⁶ @273k |
Thermal Conductivity (J/k.m.s.) | 0.3 @ 27°C |
Specific heat (J/g.k) | 1.003 @298k |
Knoop hardness (Kg/mm²) | 415 |
Young modulus (GPa) | 138.5 |
Shear modulus (GPa) | 15.66 |
Bulk modulus (GPa) | 101.32 |
Reflection loss (2sides) | 11.2% @120nm |
Poisson ratio | 0.276 |
Fluoruro di Magnesio (MgF2)
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Technical parameter | Commercial grade | Precision grade | High precision grade |
---|---|---|---|
Dimension range | 1-600mm | 2-600mm | 2-600mm |
Dimension tolerance | ±0.1mm | ±0.025mm | ±0.01mm |
Thickness tolerance | ±0.1mm | ±0.025mm | ±0.01mm |
Angle tolerance | ±3' | ±15" | ±5" |
Surface quality | 60-40 | 40-20 | 20-10 |
Surface accuracy | 1.0λ | λ/10 | λ/20 |
Bevelling | 0.1-0.5mmx45° | ||
Substrate | Magnesium Fluoride (MgF₂) |