Barium Fluoride

(

BaF2

)
Eigenschaften 
Transmission Range

0.14 - 14 (thickness 2mm) µm  

Refractive Index

1.47326 @633 nm

Reflection Loss 

3.4% @4 µm;

Residual Beam Wavelength  

47 µm

Density  

4.89 g/cm3

Melting point  

1368°C

Molecular Weight 

175.36

Thermal Conductivity  

10.9 W/(m·K) @305K

Spec. Heat Capacity  

410 J/(kg·K)

Thermal Expansion  

18.4 · 10-6/K (273-573K)

Hardness (Mohs) 

82 (load 500g)  

Young's Modulus 

53.07 GPa

Shear Modulus 

25.4 GPa

Bulk Modulus  

57.8 GPa

Fracture Modulus 

26.9 MPa

Elastic Coefficient 

C11 = 91; C12 = 41.2; C44 = 25.3 GPa

Dielectric Constant

7.33 @f = 2 MHz

Solubility in Water 

0.16 g/100g @25°C

Crystal Structure  

single crystal, synthetic

Crystal Type  

cubic, CaF2 type structure, a=6.2Å

Cleavage Planes 

(111)

Poisson Ratio  

0.31

Application  

Scintillator, IR optics

Remarks  

susceptible to thermal shock

Remarkable 
  • Optical components available up to a diameter of 190 mm
  • Can be used in a wide range of wavelengths (140 nm-14 µm) without loosing much of a reflection
  • Radiation resistant to ionizing radiation
  • Susceptible to thermal shock
NOTE: Despite careful research, we do not accept any liability for the correctness of the information provided. Liability claims based on the use of the information are excluded in principle.

Barium Fluoride: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.

Contact/Inquiry

Korth Kristalle

Am Jägersberg 3
24161 Altenholz

+49 (0)431 - 36 90 50
+49 (0)431 - 36 90 525

info@korth.de


Contact

Remarkable

  • Optical components available up to a diameter of 190 mm
  • Can be used in a wide range of wavelengths (140 nm-14 µm) without loosing much of a reflection
  • Radiation resistant to ionizing radiation
  • Susceptible to thermal shock