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BaF2 crystal  

 

Introduction:
          BaF2 crystal has the following exceptional properties that makes it a very important optic  crystal:
                 (1) High optical transmittance from the ultraviolet to the far-infrared spectrum region(0.18-16μm).
                 (2) Used for Optical prisms, lenses, wedges, windows, other optical components,and etc.
                 (3) A scintillator material used in High Energy Physics Experiments.

Specifications:         
          We produce prisms, lenses, wedges, windows,wedges, and other optical components according to customers’ specifications and drawings:

 

Size Diameter up to 100mm;
Inclusion None visible
Dimension tolerance ±0.1mm
Oriential tolerance 2 arc minutes
Angle tolerance 10 arc minutes
Scratch/Dig code 40/20 to MIL-O-13830A
Parallelism 20 arc seconds
Flatness λ/5 @ 632.8nm

 

 

Related Technologies 

 

Main properties:

Density

4.86 g/cm3,at 20°C

Melting Point

1354°C

Molecular Weight

175.36

Lattice Constant

6.196 Å

Thermal Conductivity

7.1 W/(m K), at 38°C

Specific Heat

456 J/(kg K)

Thermal Expansion

16.5 ~ 19.2 ×10–6 / K,± 60°C

Hardness (Knoop)

82kg/mm2

Hardness (Mho)

3

Young’s Modulus

53.05GPa

Shear Modulus

25.4GPa

Bulk Modulus

56.4GPa

 

 

 

 

Dielectric Constant

7.33,2×106HZ

Solubility in Water

0.17 g / 100 g,10℃

Hygroscopicno

 

Crystal Type

cubic, Class m3m

Cleavage Planes

(111)

 

 

Poisson's Ratio

0.343

Bandgap

  9.1eV

  

 

Transparency Range

0.18 ~ 16.0 µm in IR, UV and DUV

 

 

 

Refractive Index:

Lambda,µm

0.2

0.5

1.0

3.0

6.0

9.0

12.0

15.0

n (Lambda)

1.5573

1.4779

1.4686

1.4612

1.4441

1.4144

1.3696

1.3050

   
 

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Tel:+86-(0)591-87846955 +86-(0)591-87846952 Fax: +86-(0)591-87856157 Website:www.phosctech.com E-mail: sales@phosctech.com