Korth Kristalle GmbH

Refractive Index


Lithium Tantalate (LiTaO3)

Properties (LiTaO3)    
Transmission Range (50% of total transmission)   0,275 - 5,25 µm (thickness 8 mm)  
Refractive Index   no = 2,139, ne = 2,139 @633 nm  
Reflective Loss   13,17%@0,633 µm  
Density   7.4564 g/cm3  
Melting Point   1650°C  
Molecular Weight   235,89  
Thermal Conductivity   4,6 W/m·K ;  8,78 W/m·K 
Heat Capacity   424 J/(K·kg) 
Thermal Expansion    
Hardness (Mohs)   750  
Young`s Modulus    
Shear Modulus    
Bulk Modulus    
Rupture Modulus    
Elastic Coefficient   C11 = 230; C12 = 42; C13= 79; C14= -11; C33= 276; C44 = 95,9 GPa  
Dielectric Constant   41-53 @298K 
Solubility in Water   unsoluble 
Crystal Structure   Single crystal, synthetic  
Crystal Type  trigonal, a = 5,15 Å  c = 13,77 Å nbsp]
Cleavage Planes   no cleavage 
Poisson Ratio    
Application   electro optic Q-switch, integrated optical substrate, sensor, frequency converter 
Remarks   stoichiometric or congruent 

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