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Windows

Commercial Quality Window

Non-precision windows commonly used for sight glasses, instrument windows, beamsplitter substrates, vacuum windows, etc.     



                   


Material: BK7 and Fused silica typically. Other Glass, Sapphire, Quartz, Germanium (Ge), Silicon(Si)    are also available.  


Specifications:       

Diameter Tolerance: +0.0, -0.1mm    
Thickness Tolerance: ± 0.2mm    
Clear Aperture: >85%    
Parallelism: 1'    
Surface Quality: 60-40 scratch and dig     
Flatness: λ/4 @632.8nm     
Protective Bevel     

AR coating is available by request.    
R<0.2%@single wavelength     

Ravg<0.5%@broadband wavelength range    


 
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