Korth Kristalle GmbH

Refractive Index

 
 

Quartz Crystalline (SiO2)

Properties (SiO2)   
Transmission Range (50% of total transmission)   0,15 - 4,1 µm (thickness 2mm)  
Refractive Index   no = 1,543, ne = 1,552    @633 nm  
Reflective Loss   4,5% @0,633 µm 
Reststrahlen    
Density   2.65 g/cm3  
Melting Point   1723°C  
Molecular Weight   60.06 
Thermal_Conductivity   || C: 11,7 W/(m·K) @293K; C: 6,5 
Heat Capacity   744 J/(kg·K)  
Thermal Expansion   || C: 7,97 · 10-6/K ; C: 13,37 · 10-6 /K @273...353K 
Hardness (Mohs)   820 (Indenter load 100g)  
Young`s Modulus   || C: 97; C: 76.5 GPa @25°C  
Shear Modulus   31,14 GPa 
Bulk Modulus   98 GPa  
Rupture Modulus     
Elastic Coefficient   C11 = 86.6; C12 = 6.7; C13 = 12.6; C14 = 17.8; C33= 106.1; C44 = 57,8 GPa  
Dielectric Constant   || C: 4,27; C: 4,34 @30 MHz 298K 
Solubility in Water   unsoluble 
Crystal Structure   Single crystal, synthetic  
Crystal Type  trigonal,  a = 4.9138 Å, c = 5.4052 Å 
Cleavage Planes    
Poisson Ratio   0.08 
Application   polarizing optics, piezoelectric components, VUV filter, FIR optics 
Remarks   dextrorotatory Quartz is common, max. temperature for application > 1200°C, chemical constant, will be damaged by contact with HF and hot concentrated alkalines. Unsoluble in acids.

Transmission spectrum

QUARZ 2MM HOMEPAGE ENGL.JPG

Transmission spectrum-2

Quarz englisch

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