Development of an accurate mirror fiducial system compatible with computer-controlled polishing methods

Details Development of an accurate mirror fiducial system compatible with computer-controlled polishing methods Development of an accurate mirror fiducial system compatible with computer-controlled polishing methods

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979spie..192..121s&link_type=abstract

In: Interferometry; Proceedings of the Seminar, San Diego, Calif., August 29, 30, 1979. (A80-44308 19-35) Bellingham, Wash., Soc

Physics

Optics

Computer Techniques, Electronic Control, Instrument Errors, Interferometers, Mirrors, Polishing, Diffraction Patterns, Fabrication, Image Resolution, Signal Distortion, Surface Finishing

Scientific paper

A precision mirror fiducializing system for use in large optics fabrication has been developed and demonstrated. The arrangement is compatible with Perkin-Elmer's Computer Controlled Polishing (CCP) facility and Coaxial Reference Interferometer (CORI). The absolute position of figure errors on the mirror surface can be determined through measurements on the interferogram to within 1-mm on mirrors in the 1-2 meter diameter range.

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