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Above: Zygo color data overlayed on rib design to show lack of print through. Print through is an "imprinting" of the rib pattern. This Dream Cellular mirror shows no print through at all.

The maximum P-V error across this mirror is less than 53 nanometers. The RMS is around 11 nanometers. Click here for a convex mirror finished to a very high level.

Dream Cellular mirror on Continuous Polishing (CP) machine prior to taking above Zygo data. 




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