MgF2 optical components
Magnesium fluoride is a proven material for high energy lasers, and particularly for lasers operating in the UV range. All optical elements are manufactured with the working surface perpendicular to the c-axis MgF2 crystal.
Physical properties:
- crystal type: tetragonal
- density: 3.177 g/cm3
- transmission band: 110 - 7500 nm
Specifications of elements:
- surface quality: 40-20 scratch & dig (MIL-PRF-13830B)
- clear aperture: 90% diameter
- diameter tolerance: +0.0 -0.1 mm
- thiskness tolerance: ±0.2 mm
- parallelism: <3 arcmin
- flatness: λ/4 @ 633 nm
Standard elements:
- window with diameter 25.4 mm and thiskness 3 mm
- window with diameter 38.1 mm and thiskness 5 mm
- window with diameter 50.8 mm and thiskness 6 mm
