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  Enter the wavelength nm                                    
     
  Air Gap Etalons** Solid Etalons**  
  Spacer Material* ~ Tuning Rate ~ Tuning Rate per oC   CTE dn/dt index  
    MHz per oC MHz per oC   ppm/degC ppm/degC    
  Zerodur Class 0    
  Zerodur Class 1    
  Zerodur Class 2    
  Fused Silica    
  Invar -   - -  
  Silicon    
  Pyrex    
  Germanium    
  YAG    
  BK7    
  ZnSe    
  LAK-12    
  Sapphire    
  PK51    
  Calcium Fluoride    
  Aluminium -   - -  
  Enter another material here    
                   
  * All of these materials have limited wavelength ranges (tuning data does not indicate that the material actually transmits)    
  ** The tuning rates are all VERY approximate, please contact LightMachinery for specific applications  
     
    Refractive Index Air  
     
     
     
     
     
     
     
     
     
      for dT= 1C
     
     
     
     
     
     
     
     
               
     
         
        C0 C1 C2 C3