Computer Science – Performance
Scientific paper
Aug 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3352..711s&link_type=abstract
Proc. SPIE Vol. 3352, p. 711-720, Advanced Technology Optical/IR Telescopes VI, Larry M. Stepp; Ed.
Computer Science
Performance
Scientific paper
ULE(superscript TM) titania-silica binary glass is being used for the primary, secondary, and tertiary mirrors for the Subaru 8- meter Japanese National Large Telescope. The primary 8.3- meter mirror blank was made by Corning Incorporated in 1994, and is in the final stages of optical polishing at Contraves Brashear Systems. Corning has also manufactured two of three lightweight secondary mirror blanks to date, and has delivered two lightweight tertiary blanks. These lightweight mirrors were designed and analyzed by Mitsubishi Electric Corporation and Contraves Brashear Systems to meet performance requirements. This paper describes key design criteria for the chopping secondary mirrors, including finite element analysis results. The manufacturing process used by Corning is also described.
Edwards Mary J.
Smith Winfred S.
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