Edge-control on mirror segments

D. D. Walker, A. Beaucamp, Guoyu Yu, Hongyu Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We outline requirements for mirror segment edges for extremely large telescopes, and introduce the new CNC machine for process verification. We review a promising approach for edge-control using the Precessions process, and report progress.

Original languageEnglish
Title of host publicationOptical Fabrication and Testing, OFT 2010
PublisherOptical Society of America (OSA)
ISBN (Print)9781557528933
Publication statusPublished - 2010
Externally publishedYes
EventOptical Fabrication and Testing, OFT 2010 - Jackson Hole, WY, United States
Duration: 2010 Jun 132010 Jun 17

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


ConferenceOptical Fabrication and Testing, OFT 2010
Country/TerritoryUnited States
CityJackson Hole, WY

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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