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Super Polishing PRODUCTS >> Super Polishing
Super Polishing Coating

Once we get a low expansion of the material,and super finishing of the surface, one of the purpose is get a lowest scattering after the coating, to maintain the high accuracy and quality for the optical components, mostly apply the Mirror coating on the super finished substrate. Spherical mirrors still available. 


Material Fused Silica, Zerodur, Sitall etc
Diameter Customized
Diameter Tolerance +0.0/-0.1 to -0.05mm
Thickness > 6mm 
Thickness Tolerance +/-0.1mm
RMS Roughness <0. 2-0.5nm ( 2-5 A°)
Surface Flatness L/10 to L/20
Surface Quality 10-5 S/D
Clear Aperture >90%
Coating Mirror coating, R>99.999% upon the request

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