Optical Manufacture of A 3.66 Meter Diameter Mirror

R. Dancey

doi:10.1364/OFT.1979.LO11

Workshop on Optical Fabrication and Testing
Technical Digest Series (Optica Publishing Group, 1979),
paper LO11
•https://doi.org/10.1364/OFT.1979.LO11

Optical Manufacture of A 3.66 Meter Diameter Mirror

R. Dancey

Optical Fabrication and Testing 1979

Tucson, Arizona United States
5–7 November 1979
ISBN:

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Large Optics (LO)

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R. Dancey, "Optical Manufacture of A 3.66 Meter Diameter Mirror," in Workshop on Optical Fabrication and Testing, Technical Digest Series (Optica Publishing Group, 1979), paper LO11.

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Abstract

This mirror is the primary for the Canada-France-Hawaii Telescope located at elevation 4200 meters on Mauna Kea, Hawaii. The optical finishing was done under a firm price contract from the Canada-France-Hawaii Telescope Corporation to the Dominion Astrophysical Observatory in Victoria, B.C. The Observatory is a section of the National Research Council of Canada. The work took a total of three years, of which twenty months were spent on the grinding and figuring of the front surface.

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