Computer-controlled polishing of telescope mirror segments

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

Apr 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983opten..22..236j&link_type=abstract

Optical Engineering (ISSN 0091-3286), vol. 22, Mar.-Apr. 1983, p. 236-240. Research supported by Perkin-Elmer Independant Resear

Computer Science

2

Computerized Simulation, Grinding Machines, Mirrors, Numerical Control, Polishing, Telescopes, Cost Reduction, Electronic Control, Error Analysis, Fabrication, Grinding (Material Removal), Optical Correction Procedure, Production Costs

Scientific paper

A method of reducing the cost of large optical telescopes is the use of a segmented primary mirror. The computer-controlled polisher 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 this process to figure mirror segments.

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