Optics up to 450mm diameter are provided with a Fizeau interferometric test report, larger flats are quality assured using the Ritchey-Common test procedure
A unique thermally stable manufacturing environment enables Optical Surfaces to routinely achieve a surface accuracy of lambda/30pv and surface roughness of 10A RMS on individual reference flats up to 600mm in diameter.
All reference flats from Optical Surfaces come with full quality testing assurance. Working with high stability materials including glass, Zerodur, and silica, Optical Surfaces has a proven international track record in supplying reference flats for high precision applications including astronomy, laser beam steering and optical flatness testing.
The experienced technical support and production engineers at Optical Surfaces enables the company to supply both single large specialist requirements and OEM quantity, high precision reference flats in sizes from 105mm to 600mm.
