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Windows

Precision Windows

Ideal for interferometer flats, laser windows, beamsplitter substrates, or parallel plates.      



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


Specifications:       
Dimension Tolerance: +0.0, -0.1mm      
Thickness Tolerance: ± 0.2mm     
Clear Aperture: >80%     
Parallelism: up to 10"     
Surface Quality: 20-10 scratch and dig       
Wavefront Distortion: λ/10 per 25mm     
Protective Bevel         
AR coating is available by request.    
R<0.2%@single wavelength    
Ravg<0.5%@broadband wavelength range      

   

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