09 Jul 2010 . Working with high-stability materials such as glass, zerodur and silica, Optical Surfaces Ltd. has become a trusted supplier of high precision transmission and reference flats to research establishments, national standards laboratories and interferometer users worldwide.
Benefiting from a unique thermally stable manufacturing environment - Optical Surfaces Ltd. is able to routinely achieve a surface accuracy of lambda/20 p.v. and surface roughness of 10 A rms on transmission and reference flats up to 600mm (24 inches) in diameter.
All optical flats from Optical Surfaces come with full quality testing assurance. Flats up to 450 mm diameter are provided with a Fizeau interferometric test report, larger flats are quality assured using the Ritchey-Common test procedure. |
