MgF2 is a tetragonal positive birefringent crystal.MgF2 has good chemical,mechanical and thermal characteristics compared with CaF2.Due to its high vacuum UV transmission and high damage threshold,MgF2 is usually used in VUV andexcimer laser windows,polarizers, lenses and etc.
Item No :
CaF2 MaterialProduct Origin :
FuZhouLead Time :
3-4 weeksProperties:
Transmission range: | 170 nm~7775 nm |
Dimensional Tolerance: | 18.85X10-6/K |
Density: | 3.18 g/cm3 |
Specifications:
Diameter Tolerance: | +0.0, -0.1mm |
Thickness tolerance | ±0.2mm |
Clear aperture: | >80% (Small Size); >90% (Large Size) |
Parallelism: | <1 arc min (General); <10 arc sec (High Precision) |
Surface quality: | 80/50 (General); 40/20 (High Precision) |
Flatness: | λ/2 (General); λ/8 (High Precision) |
Coating: | Coating upon Request |