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MgF2 Crystals
Description
MgF2
Magnesium Fluoride (MgF2) transmits well into the VUV region at the hydrogen Lyman-alpha line (121nm) and beyond.
Application as window, lens, in most VUV region optics and is excellent for excimer laser use.
 
Main Properties and Performance
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
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
 

Wavelength (um) No Ne Wavelength (um) No Ne
0.121 1.6275 1.632 0.656 1.37661 1.38835
0.14 1.5095 1.523 1 1.3736 1.38521
0.178 1.43975 1.45365 2 1.368 1.37922
0.2 1.42309 1.43657 3 1.36 1.3706
0.3 1.39298 1.40543 4 1.3525 1.3622
0.436 1.38203 1.39402 5 1.3302 1.3393
0.488 1.38016 1.39206 6 1.3242 1.3315
0.588 1.3777 1.3896 7 1.3044 1.3101

Transmission Curve

Ms. Lin

Mr. Wen

Ms.Chen