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OCO solar diffuser top plate; courtesy Milton Thomas wirecutcompany.com OCO solar diffuser bottom plate; courtesy Milton Thomas wirecutcompany.com
These two photos are the top and bottom plate of the Orbiting Carbon Observatory (OCO) solar diffuser. Optical design by Brian Sutin, drafting by Tim Wagner, EDM machining and photo by Wire Cut Company. NASA has published a photo of this system installed on the satellite.