Physical Properties
Crystal type |
tetragonal |
Density , g/cm3 |
3.177 |
Melting point, °C |
1255 |
Refractive index @ 1.0 µm |
no = 1.3796, ne = 1.3852 |
Transmission band, µm |
0.11÷7.5 |
Lattice constant, Å |
a = 4.60, c = 3.06 |
Specifications
Material |
MgF2 |
Surface quality |
40-20 scratch & dig (MIL-PRF-13830B) |
Clear aperture |
90% of diameter |
Diameter tolerance |
+0.0 -0.1 mm |
Thickness tolerance |
±0.2 mm |
Parallelism |
<3 arcmin |
Flatness |
λ/4 @ 633 nm |
Spectral range |
UV, IR |
EKSMA Optics Magnesium Fluoride (MgF2) Components
74.76 kB |
Magnesium fluoride (MgF2) is a proven material for high energy lasers, and particularly for lasers operating in the UV range. Generally all optical elements are manufactured with the working surface perpendicular to the c-axis MgF2 crystal.