Ultra-lightweight 4-meter segmented composite mirrors for extremely large telescopes

Details Ultra-lightweight 4-meter segmented composite mirrors for extremely large telescopes Ultra-lightweight 4-meter segmented composite mirrors for extremely large telescopes

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4840..332r&link_type=abstract

Future Giant Telescopes. Edited by Angel, J. Roger P.; Gilmozzi, Roberto. Proceedings of the SPIE, Volume 4840, pp. 332-339 (2

Computer Science

Scientific paper

Presented is a lightweight mirror compatible with the extremely large telescopes being proposed. The mirror exhibits an areal density of less than 12 kg/m2, which is the same relative areal density as the primary mirrors on the 100-meter Robert Byrd Radio Telescope. The panels can be fabricated in 2.5-meters diameter with traceability to 4-meters. Presented are preliminary results of a set of large demonstrator mirrors, their characteristics and traceability to producing 4-meter low-cost and easily fabricated mirror segments for large telescopes.

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