Computer-controlled polishing of telescope mirror segments

Details Computer-controlled polishing of telescope mirror segments Computer-controlled polishing of telescope mirror segments

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982spie..332..352j&link_type=abstract

IN: International Conference on Advanced Technology Optical Telescopes, Tuscon, AZ, March 11-13, 1982, Proceedings (A83-30976 13

Computer Science

Grinding Machines, Mirrors, Numerical Control, Polishing, Reflecting Telescopes, Refracting Telescopes, Aberration, Asphericity, Interferometry, Servomechanisms, Surface Roughness

Scientific paper

The construction of very large optical telescopes can be prohibitively expensive due to the massive size and weight of the required primary mirrors. One method of reducing the cost of such telescopes is the use of a segmented primary mirror. The computer controlled polisher (CCP) approach is ideally suited to the fabrication of telescope mirror segments. Since the process achieves controlled material removal by regulating the tool motion, there is no need for any surface symmetry. Recent experiments have demonstrated the ability of the CCP to figure mirror segments.

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