Korth Kristalle GmbH

Refractive Index

 
 

Barium Fluoride (

BaF2

)

Properties (BaF2)    
Transmission Range (50% of total Transm.)   0,14 - 14 (thickness 2mm) µm  
Refractive Index   1,47326 @633 nm  
Reflective Loss   3,4% @4 µm  
Reststrahlen   47 µm  
Density   4.89 g/cm3  
Melting Point   1386°C  
Molecular Weight   175.36  
Thermal Conductivity   10,9 W/(m·K) @305K  
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

Transmission spectrum

BAF2 1081 2MM HOMEPAGE ENGL.JPG

Transmission spectrum-2

BaF2 englisch

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