Kepler Primary Mirror
March 4, 2009
Inspection of the primary mirror honeycomb structure. The mirror has been 86% light weighted. That is it only weighs 14% (1/7) that of a solid mirror of the same dimensions. The mirror blank was made by Corning Glass works out of ULE, ultra-low expansion glass. The optical polishing of the mirror was performed by Brashear LP.
Topics: Entertainment Culture, Glass, Telescopes, Manufacturing, Ultra low expansion glass, Corning Incorporated, Optical devices, Mirror, Johannes Kepler, Primary mirror, Optics, Technology