Magnesium fluoride

MgF2: Magnesium fluoride is white or crystalline in appearance very used in optics due to its distinctive transparency over a wide range of wavelengths.

Specifications

ShapeColorPurityPackageStorage
CrystalGranule1-3 mm; 3-5 mm
Upon demand
Colorless
Transparent
99.99%1 Kg/BagAvoid exposure to sunlight & acid
Keep dry
SinterTablet20x12 mm
Upon demand
White

Characteristics of magnesium fluoride

CAS NumberDensity (g/cm3)Boiling point (Cº)Melting point (Cº)Refractive index at 550 (nm)Transparency range (µm)Evaporation source
7783-40-63.18
226012661.380.1-10B(W, Ta, Mo)
ApplicationsMulti-layer coating; Decorative coating, Glasses coating, UV coating, AR coating

Evaporation technique

Magnesium fluoride can be thermally evaporated from a tungsten, tantalum or molybdenum boat source. It can also be deposited by electron beam using a crucible liner.