Superior Evaporants Incorporated

Technical Information

Material:  Barium Fluoride

 

 

 

Formula: BaF2

Product Form: granules 2.5‑5mm

Molecular weight:  175.34

Catalog#: 3000

 

Density: ~4.89 g/cm3

Melting point:  1280oC

Expansion coefficiant:  2.03 x 10‑4 K

Specific heat capacity:  1 kJ/kg K

 

 

Type analysis:

Iron(Fe)          < 8 ppm

Nickel(Ni)        <10 ppm

Manganese(Mn)     < 5 ppm

Chromium(Cr)      <10 ppm

Cobalt(Co)        <10 ppm

Copper(Cu)        < 1 ppm       

Lead(Pb)          <10 ppm

 

 

Properties of thin film:

Transmission range: 220‑15000nm

Refractive index at 500nm ~ 1.48

Refractive index at 2000nm ~ 1.46

Refractive index at 10600nm ~ 1.40

Evaporation temperature ~ 1400oC

 

Hints on evaporation:

Substrate temperature: 100‑300oC

Evaporate using E‑Beam or tantalum or molybdenum boat.

 

Applications:

Multi‑layer coatings in the IR, antireflection coatings in the I.R.