A new fabrication technology for large mirrors.

Details A new fabrication technology for large mirrors. A new fabrication technology for large mirrors.

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988vlti....1..341b&link_type=abstract

ESO Conference on Very Large Telescopes and their Instrumentation, Vol. 1, p. 341 - 352

Computer Science

Mirrors

Scientific paper

A method is proposed for polishing large and fast primaries with a rectangular, flexible lap. The rear side of the lap is covered with computer controlled pressure actuators which are used to control the amount of material removed for surface error correction. This method has been developed in the laboratory and tested to some extend, figuring the f/2.2 primary of 3.5 m diameter for the ESO New-Technology-Telescope.

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