MgF2

MgF2

MgF2

Major capability parameter
Crystal structure M3
Unit cell constant a=5.462 Å
Melt point(℃) 1418
Density 3.18(g/cm3
Hardness 4(mohs)
Thermal expansion 18.85 x 10-6 /℃//c
Index of refraction Ho=1.43382
Through scope 0.11-12.00
Temperature index  dh/dt x 10-6 10.6 @0.8 m
Growth method Bridgeman
Size 10×3,10×5,10×10,15×15,,20×15,20×20,
dia2” x 0.33mm dia2” x 0.43mm 15 x 15 mm
Thickness 0.5mm,1.0mm
Polishing Single or double
Crystal orientation <001>±0.5º
redirection precision ±0.5°
Redirection the edge: 2°(special in 1°)
Angle of crystalline Special size and orientation are available upon request
Ra: ≤5Å(5µm×5µm)
Pack 100 clean bag,1000 exactly clean bag