Magnesium fluoride crystal (MgF2) belongs to the tetragonal crystal system, the melting point is 1255℃, the hardness is high, the mechanical properties are good, the chemical properties are stable, and it is not easy to deliquesce and corrode. The main feature of the optical performance is that it has high transmission in the vacuum ultraviolet band. It is widely used in optical fiber communication, military industry...
Magnesium fluoride crystal (MgF2) belongs to the tetragonal crystal system, the melting point is 1255℃, the hardness is high, the mechanical properties are good, the chemical properties are stable, and it is not easy to deliquesce and corrode. The main feature of the optical performance is that it has high transmission in the vacuum ultraviolet band. It is widely used in optical fiber communication, military industry and various optical components.
OST Photonics offers high quality MgF2 substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.
High transmission in the vacuum ultraviolet band
Stable chemical properties
Good mechanical properties
High Hardness
Optical fiber communication
Military industry
Optical components
Orientation: <001>,<100>,<110>,<210>,<111>, etc.
Dimension: 1”, 2”, 15x15mm, 20x15mm, 20x20mm, 10x10mm, 5x5mm, etc.
Thickness: 0.33mm, 0.43mm, 0.5mm, 1.0mm, etc.
Available items: wafers, substrates, windows, prisms, blanks and customized optics
Crystal Structure | Tetragonal |
Lattice Constant | a=4.62 Å, c=3.06 Å, |
Melting Point | 1255 ℃ |
Growth Method | Bridgeman |
Density | 3.18 g/cm3 |
Hardness | 4 Mohs |
Thermal Expansion Coefficient (/℃) | 13.7×10^-6 (∥c), 8.9×10^-6 (⊥c) |
Thermal Conductivity | 0.3 W/mK@300K |
Refractive Index | no=1.37608 ne=1.38771 (0.7μm) |
Transmission Wavelength | 0.2-6.00 μm |
Temperature Coefficient | |
Transmittance | > 90% @0.2-6.00 μm |
Orientation | <001>,<100>,<110>,<210>,<111>, etc. |
Orientation Tolerance | ±0.5° or better |
Dimension | 1”, 2”, 15x15mm, 20x15mm, 20x20mm, 10x10mm, 5x5mm, etc. |
Dimension Tolerance | ±0.1 mm or better |
Thickness | 0.33mm, 0.43mm, 0.5mm, 1.0mm, etc. |
Thickness Tolerance | ±0.05 mm or better |
Surface Finish | Single side polished (SSP)/Double sides polished (DSP) |
Surface Roughness | Ra<10Å (5×5μm) |
Package | Class 100 clean bag, Class 1000 super clean room |
Send us your dimensions, orientation, surface finish and quantity. Our engineers reply with a technical proposal and price.
