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Materials Offered
 
 
 
 
 
   Fluoride Materials
Chemical formula BaF2 CaF2 MgF2 LiF
Crystal structure Cubic Cubic Tetragonal Cubic
Lattice constant (Š) 6.196 5.462 a = 4.64
c = 3.06		 4.026
Melting point ( °C ) 1354 1418 1255 870
Density ( g / cm3 ) 4.88 3.18 3.18 2.60
Hardness 3 4 6 4
Thermal expansion coef.( °C-1x 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 coeff. ( 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

Material: BaF2

Product # L/W or Diameter Thickness Specification Quantity Unit Price Order
5001 10x10 (mm) 1.0 (mm) <100>,SSP,Prime 1 - 25 $130.00 [ order ]
5002 10x10 1.0 <100>,DSP,Prime 1 - 25 $150.00 [ order ]
5003 10x10 1.0 <111>,SSP,Prime 1 - 25 $120.00 [ order ]
5004 10x10 1.0 <111>,DSP,Prime 1 - 25 $140.00 [ order ]
5005 1" wafer 1.0 <111>,SSP,Prime 1 - 25 $375.00 [ order ]

 

Material: CaF2

Product # L/W or Diameter Thickness Specification Quantity Unit Price Order
5101 10x10 (mm) 1.0 (mm) <111>,SSP,Prime 1 - 25 $120.00 [ order ]
5102 10x10 1.0 <111>,DSP,Prime 1 - 25 $140.00 [ order ]
5103 10x10 0.5 <100>,SSP,Prime 1 - 25 $130.00 [ order ]

 

Material: MgF2

Product # L/W or Diameter Thickness Specification Quantity Unit Price Order
5201 10x10 (mm) 0.5 (mm) <001>,SSP,Prime 1 - 25 $120.00 [ order ]
5202 10x10 1.0 <001>,DSP,Prime 1 - 25 $150.00 [ order ]
5203 10x10 1.0 <100>,SSP,Prime 1 - 25 $140.00 [ order ]
5204 10x10 1.0 <100>,DSP,Prime 1 - 25 $150.00 [ order ]
5205 10x10 1.0 <110>,DSP,Prime 1 - 25 $150.00 [ order ]
5206 10x10 0.5 <111>,SSP,Prime 1 - 25 $120.00 [ order ]
5207 10x10 1.0 <111>,DSP,Prime 1 - 25 $150.00 [ order ]
5208 2" wafer 1.0 <111>,DSP,Prime 1 - 10 $750.00 [ order ]

Material: LiF

Product # L/W or Diameter Thickness Specification Quantity Unit Price Order
5301 10x10 (mm) 1.0 (mm) <111>,SSP,Prime 1 - 25 $150.00 [ order ]
5302 10x10 1.0 <111>,DSP,Prime 1 - 25 $170.00 [ order ]
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