Experiment of phi 1-m annular continuous polisher (ACP) for LAMOST ultrathin hexagonal flat

Details Experiment of phi 1-m annular continuous polisher (ACP) for LAMOST ultrathin hexagonal flat Experiment of phi 1-m annular continuous polisher (ACP) for LAMOST ultrathin hexagonal flat

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999spie.3785...94g&link_type=abstract

Proc. SPIE Vol. 3785, p. 94-98, Advanced Telescope Design, Fabrication, and Control, William Roybal; Ed.

Physics

Scientific paper

This paper reports the experiment results of ultrathin hexagonal optical flat (a small sample of LAMOST M(subscript A) submirror, its diagonal is 310 mm with a thickness of 7 mm), on (Phi) 1M annular continuous polisher, and its merit, technology, testing method and testing result (rms < 0.03(lambda) ). This paper also analyzes the questions that exist in processing now and suggests to build processing and testing equipment, if we prepare for polishing 1100 mm M(subscript A) submirrors of LAMOST.

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