22 July 2016 High volume ULE segment production
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Abstract
It is expected that many of the next generation large ground based telescopes will utilize a segmented design for the primary mirror and, in some cases, the secondary mirror. Corning Incorporated (Corning) presents a process to manufacture segment mirror blanks from Corning ULE titania silicate glass in segment sizes ranging from 1.0 m to 1.8 m flat to flat. This paper will review ULE properties and describe the facilities, equipment, resources, and processes required to produce a few hundred to a few thousand mirror segment blanks for extremely large telescope (ELT) applications.
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Thomas Hobbs, Thomas Hobbs, Mary Edwards, Mary Edwards, Andrew Fox, Andrew Fox, } "High volume ULE segment production", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99123G (22 July 2016); doi: 10.1117/12.2235351; https://doi.org/10.1117/12.2235351
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