Korth Kristalle GmbH

Refractive Index

 
 

Titanium Dioxide (Rutil) (TiO2)

Properties (TiO2)   
Transmission Range (50% of total tranmission)   0,42 - 5,8 µm (Rutil thickness 0,5/2 mm)  
Refractive Index   no= 2,494, ne = 2,760 @633 nm  
Reflective Loss   17,7% @1,5 µm (1 surface)  
Reststrahlen    
Density   4.26 g/cm3  
Melting Point   1857°C  
Molecular Weight   79.9 
Thermal Conductivity   || C: 12.6; C: 8.8 W/(m·K) @313K  
Heat Capacity   711.74 J/(kg·K)  
Thermal Expansion   || C: 9.19 · 10-6/°C; C: 7.14 · 10-6/313K  
Hardness (Mohs)   692 (indenter load 500g) 
Young`s Modulus   293 GPa 
Shear Modulus   115 GPa 
Bulk Modulus   215 GPa 
Rupture Modulus    
Elastic Coefficient   C11 = 270; C12 = 176; C13 = 147; C33 = 480; C44 = 124; C66 = 193 GPa  
Dielectric Constant   200 - 160 @ f = 1000 Hz...10 MHz , 298K  
Solubility in Water   unsoluble 
Crystal Structure  Single crystal, synthetic  
Crystal Type  tetragonal, Rutile type structure, a = 4,593 Å, c = 2,958 Å  
Cleavage Planes   (100), (110)  
Poisson Ratio   0.27 
Application   spectral prisms and polirazing devices (optical isolators and beam displacers)  
Remarks   unsoluble in diluted acids, soluble in conc. acids, large birefringence 

 

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