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Optical Surfaces Ltd.

Godstone Road
United Kingdom

Tel: +44 208 6686126

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Precision Reference & Transmission Optical Flats

Precision Reference & Transmission Optical Flats

Product News Tuesday, January 29, 2019: Optical Surfaces Ltd.

Working with highly-stable materials such as fused quartz and Zerodur, Optical Surfaces Ltd. is routinely able to produce reference and transmission flats with a surface accuracy of better than lambda/20 p.v. and surface roughness of less than 1nm.
Drawing upon its uniquely thermally stable production environment and large diameter interferometric testing facility, Optical Surfaces is able to provide outstandingly accurate test data on its reference and transmission flats up to 600mm (24 inches) in diameter. This interferometric set-up allows direct qualification of large diameter flats (up to 600mm diameter) without the need to use time-consuming combination methods which are prone to potential accuracy errors. Reference flats are a proven method of measuring the surface accuracy or the transmitted wavefront of flat surfaces or optics. They are used by research establishments, national standards agencies and leading optical laboratories worldwide. In addition to standard flats, Optical Surfaces offers special options for non-circular shaped flats, higher surface accuracy / quality, precision mounts, light-weighted options and an extensive range of coatings for demanding applications. All reference and transmission flats from Optical Surfaces come with full quality testing assurance. For further information please visit or contact Optical Surfaces Ltd. on +44-208-668-6126 / Optical Surfaces Ltd has been producing optical components and systems for more than 50 years and is now accepted as one of the world’s leading manufacturers of high-precision optics for aerospace and space research. The company’s ISO 9001-2015 approved manufacturing workshops and test facilities are deep underground in a series of tunnels excavated in solid chalk where temperature remains constant and vibration is practically non-existent. With such stable conditions testing, particularly with long path lengths, becomes quantifiable and reliable. Working with these natural advantages is a highly skilled team of craftsmen with a commitment to excellence in both product quality and customer service.
----------- Worldwide HQ Optical Surfaces Ltd. Godstone Road Kenley Surrey CR8 5AA UK tel. +44-208-668-6126 email  web
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