BaF2 Barium Fluoride

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

Rupture 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.

BaF2 – 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