Off-axis parabola fabrication at Kitt Peak National Observatory

Details Off-axis parabola fabrication at Kitt Peak National Observatory Off-axis parabola fabrication at Kitt Peak National Observatory

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..444..262b&link_type=abstract

IN: Advanced technology optical telescopes II; Proceedings of the Meeting, London, England, September 5, 6, 1983 (A85-25230 10-8

Computer Science

Performance

Fabrication, Paraboloid Mirrors, Polishing, Prototypes, Coordinates, Optical Properties, Performance Tests, Stress Distribution, Support Systems, Surface Properties

Scientific paper

The stressed mirror polishing method is being used to produce two thin two-meter diameter off-axis parabola mirrors. These mirrors are prototypes for a large segmented mirror telescope and the initial objective is to achieve 0.03 micron (RMS) surface accuracy. The fabrication set-up will be described along with improvement modifications that have proven to be necessary. Polishing results to date will be presented.

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