Refractive index for various materials                          
         
Enter the wavelength microns      
   
UV Materials Calcium Fluoride Magnesium Fluoride No Magnesium Fluoride Ne    
Wavelength range of material .13 to 12 microns .11 to 7.5 microns .11 to 7.5 microns    
Refractive index at the wavelength    
     
Visible Materials N-BK7 Fused Silica N-LASF43 N-SF56  
Wavelength range of material visible .184 to 2.1 microns visible visible  
Refractive index at the wavelength  
     
IR Materials Germanium Zinc Selenide Zinc Sulfide Silicon  
Wavelength range of material 2.5 to 14 microns 0.5 to 15 microns 1 to 14 microns 1.2 to 6.3 microns  
Refractive index at the wavelength