Korth Kristalle GmbH

Refractive Index

 
 

Strontium Fluoride (

SrF2

)

Properties (SrF2)   
Transmission Range (50% of total transmission)   0,14 - 9 µm (thickness 2mm)  
Refractive Index   1,436914 @633 nm  
Reflective Loss   1,74% @10 µm  
Reststrahlen   40 µm  
Density   4.24 g/cm3  
Melting Point   1477°C  
Molecular Weight   125.62  
Thermal Conductivity   1,42 W/m·K @298K 
Heat Capacity   544 J/(kg·K) 
Thermal Expansion   18.4 · 10-6/K @293K  
Hardness (Mohs)   130 

<111>

 
Young`s Modulus   99,91 GPa  
Shear Modulus   34.6 GPa 
Bulk Modulus   24.65 GPa 
Rupture Modulus    
Elastic Coefficient   C11 = 124; C12 = 44; C44 = 31.8 GPa  
Dielectric Constant   7.69 @2MHz  
Solubility in Water   0,021g / 100g @25°C 
Crystal Structure  single crystal, synthetic  
Crystal Type  cubic, CaF2 type structure, a0 = 5.7996 Å 
Cleavage Planes   (111)  
Poisson Ratio   0.29  
Application   UV and VUV spectroscopy  

Transmission spectrum

SRF2 45 2MM HOMEPAGE ENGL.JPG

Transmission spectrum-2

SrF2 englisch

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