Cophasing methods for segmented mirrors

Details Cophasing methods for segmented mirrors Cophasing methods for segmented mirrors

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4003..250w&link_type=abstract

Proc. SPIE Vol. 4003, p. 250-261, Optical Design, Materials, Fabrication, and Maintenance, Philippe Dierickx; Ed.

Computer Science

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2

Scientific paper

The results of a number of research projects related to the phasing of segmented telescope primaries are presented. The behavior of a segmented mirror controlled using edge position sensors is examined using the results of a numerical simulation. The performance of a novel approach to the optical sensing of piston differences is analyzed. The effect of segmented manufacturing errors on both the phasing control system and telescope performances is discussed. Finally, a concept for an `autonomous segment mirror' is presented and its feasibility assessed.

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