Magnesium fluoride (MgF2)
MgF2-E: 193nm / 248nm / 355nm excimer, excellent uniformity, no small-angle grain boundaries;
MgF2-PS: PID 10.6eV and spectrum analyzer have low energy loss and stable light energy;
MgF2-W: Wave plate, high orientation accuracy, no small-angle grain boundaries, low stress;
MgF2-V: used in ultraviolet/infrared light sources, vacuum viewports, lenses, prisms, etc.;
MgF2-H: Hot pressing, mainly used for dome cover;
Applications :
ICC has ultraviolet/deep ultraviolet magnesium fluoride materials, which can be used in excimer lasers, glass slides, coating materials, target materials, etc.
Product Advantage :
The quality of ICC’s MgF2 material has been affirmed by famous customers from the United States, Germany, Japan, South Korea and other famous customers. At the same time, there will be a greater increase in production in 2020. The growth process of Bridgman and Czochralski will make our customers Get the best balance between performance and price.
Magnesium fluoride material:
Size: the maximum size of single crystal D120 mm;
Polycrystalline maximum size D200 mm.
Crystal direction: 001, 100, 110, etc.
Wave band: 121nm-1000nm
Product Parameters :
| The optical properties | |
|
Through the range |
0.12 – 9mm |
| transmittance |
> 94% @ 5mm > 85% @ 0.2mm |
| The refractive index |
no=1.566, ne=1.568 @ 0.13mm no=1.334, ne=1.343 @ 5mm |
| Reflection loss |
11.2% @ 0.12nm (双面） 5.7% @ 0.22μm (双面） 5.1% @ 1μm (双面） |
| Absorption coefficient[cm-1] |
40 x 10 -3 @ 2.7μm |
| Physical properties | |
| Density[g/cm3] |
3.177 |
| Melting point[℃] |
1255 |
| Thermal conductivity[W/(m×K)] |
21 //c, 33.6 ^c @ 300K |
| Coefficient of thermal expansion[10-6/K] |
13.7//c, 8.9 ^c @ 373k |
| Knoop hardness[kg/mm2] |
415 |
| Specific heat capacity[J/(kg×K)] |
1003 |
| Dielectric constant |
4.87 //c, 5.44 ^c @ 1MHz |
| Apparent elastic limit[MPa] |
49.6 (7200 psi) |
| The poisson coefficient |
0.276 |
| The chemical characteristics | |
|
solubility |
0.002g @ 20℃ |
|
The molecular weight |
62.3018 |
|
structure |
Tetragonal crystal system |
| Dissociative side |
(001) |
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