Computer controlled polishing and testing of a glancing incidence telescope

Details Computer controlled polishing and testing of a glancing incidence telescope Computer controlled polishing and testing of a glancing incidence telescope

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apopt..25.2835t&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 25, Aug. 15, 1986, p. 2835-2844.

Physics

Optics

1

Automatic Test Equipment, Numerical Control, Polishing, Telescopes, Data Reduction, Fabrication, Grinding, Metrology

Scientific paper

The elements of a Wolter type II telescope have been fabricated using a small area tool in a computer controlled facility. The absolute radius of the mirrors can be established to 0.812 micron, and relative heights on the surfaces can be determined to 0.016 micron. The primary has a 0.041-micron rms surface error, and the secondary has a 0.054-micron surface error.

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