Description:
MgF2 is a tetragonal positive birefringent crystal, MgF2 has good chemical, mechanical and thermal characterstics compared with CaF2,
Due to its high vacuum UV transmission and high damage threshold.MgF2 is usually used in VUV and excimer laser windows, polarizers,
Lenses and etc.
Properties:
Transmission range:120nm-7000nm
Thermal expansion coefficient:lla=13.7*10-6/K, llc=8.48*10-6/K
Density:3.17g/cm3
Specification:
Name | laser protective lens |
Diameter Tolearance | +0.0/-0.1mm |
Thickness tolearance | +/-0.1mm |
Clear aperture | > 90%(large size) |
Parallelism | <1 arc min(General) |
Surface quality | 60/40 |
Flatness | λ/2(general),λ/8(high precision) |
Coating | Upon your request |