MTI supplies all kinds of high quality fluoride single crystals.    These crystals have been widely used for infrared optical components, such as window, mirror, lens, prism and substrate.    MTI has a state of art processing facility in China and provides you cost effective and high quality components.    If you have any need for fluoride single crystal substrate and components, please feel free to contact us at mti@mtikorea.co.kr 
Chemical formula BaF2  CaF2  MgF2  LiF 
Crystal structure Cubic Cubic Tetragonal Cubic
Lattice constant (Å) 6.196 5.462 a = 4.64
c = 3.06
4.026
Melting point (oC) 1354 1418 1255 870
Density (g / cm3) 4.88 3.18 3.18 2.60
Hardness 3 4 6 4
Thermal expansion coef.
(oC-1 x 10-6)
18.1 18.85 13.7 37.0
Refractive index ho 1.47443 ho 1.43382 ho 1.37740
he 1.38945
ho 1.39212
Transmission waveband (microns) 0.15 - 13.00 0.11 - 12.00 0.11 - 7.5 0.11 - 7.0
Transmission efficient > 93% @ 5 m
> 75% @ 0.2 m
> 94% @ 5 m
> 85% @ 0.2 m
> 93% @5 m
> 85% @ 0.2 m
> 85% @ 5 m
> 65% @ 0.2 m
Chromatic dispersion
(hf-hc)
0.00578 0.00455 0.00355 0.00395
Temperature coef.
(dh/dt x 10-6)
-15.2 ~ 6.2 @ 0.8 m -10. 6 @ 0.8 m 2.3 ~ 1.7 @ 0.4 m -12.7 @ 0.6 m
Crystal growth method Bridgeman Bridgeman Bridgeman Bridgeman
Cleavage plane <111> <111> <100> or <110> <100>
Max. Crystal size (mm) f 2" x 80 f 8" x 150 f 4" x 100 f 4" x 80
Application IR and UV window , prism, substrate IR window and Lens, prism VUV window and mirror, lens UV window and prism, without deliquescence
 For physical property sheet of LiF, please click here.
 For the MSDS of LIF, Please click here.
 
조건별 검색

검색