Award-winning Nigeriasat-2 satellite features key components made by Optical Surfaces
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Optics from Optical Surfaces have helped Surrey Satellite Technology win the 2012 Sir Arthur Clarke award for ‘Best Space Activity — Industry/Project’ for the Nigeriasat-2 Earth observation satellite. Nigeriasat-2 was built for the Nigerian Space Agency (NASRDA).
The 300kg satellite incorporates a high-performance camera with key optical components manufactured by Optical Surfaces.
It has been able to capture 2.5m-resolution images, enabling detailed analyses of ground structures, aircraft and vehicles.
Nigeriasat-2 carries two imagers: a 2.5m-resolution panchromatic imager and a 5m-resolution multispectral imager with a swath width of 20km.
Key benefits of product application
- Optical Surfaces’ skilled craftsmen produced the 385mm light-weighted primary mirror and other optics in the Cassegrain camera, with a surface accuracy of lambda/20p-v; these optics have enabled the satellite to take high-resolution images.
- The company is claimed to be one of Europe’s leading manufacturers of high-precision optics for satellite deployment and astronomical research.
- Its manufacturing workshops and test facilities are ISO 9001-2008 approved.
Optical Surfaces has been selected by a spectrophotometer manufacturer to supply ultra-high-precision matched beamsplitter/compensator optics for the interferometer that lies at the heart of its high-resolution FTIR system.
Optical Surfaces has introduced the OS-Z range of mirror mounts, developed to support off-axis paraboloid, spherical and flat mirrors in a way that overcomes a number of constraints imposed by general-purpose mounts.
Off-axis paraboloids (OAPs) direct and focus incident collimated light at a specific angle, allowing unrestricted access to the focal point as well as reducing the size and minimising the weight of an optical design. Working with high-quality optical glasses, Optical Surfaces produces standard OAPs from 60mm to 600mm in diameter.
Optical Surfaces, through local distributor Jeewoo Photonics, has been selected to supply a mounted 600mm-diameter off-axis parabolic mirror to the Samsung Thales R&D Center in Gyeonggi-do, South Korea.
Optical Surfaces produces ultra-smooth parabolic, ellipsoidal, spherical and toroidal mirrors for demanding applications.