Big OptiX ultra precision grinding/measuring system

Details Big OptiX ultra precision grinding/measuring system Big OptiX ultra precision grinding/measuring system

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5965..241s&link_type=abstract

Detectors and Associated Signal Processing II. Edited by Chatard, Jean-Pierre; Dennis, Peter N. J. Proceedings of the SPIE, Volu

Physics

Optics

Scientific paper

Many hundreds of mirror segments of 1-2 metre size will be needed to realise the next generation ground based extra large telescopes (ELTs). This paper introduces the design of a new ultra precise large optics grinding machine; Big OptiX or simply 'BOXTM'. This machine has been conceived to have unprecedented dynamic loop stiffness enabling ultra precise large 'free-form' optics to be rapidly ground within a serial production environment. Form accuracy capability of this machine will be 1 um per metre aperture and low levels of induced sub-surface damage will minimise the processing time of subsequent 'polishing' processes.

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