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

Robert C. Romeo; Peter C. Chen

doi:10.1117/12.459865

30 January 2003 Ultra-lightweight 4-meter segmented composite mirrors for extremely large telescopes

Robert C. Romeo, Peter C. Chen

Proceedings Volume 4840, Future Giant Telescopes; (2003) https://doi.org/10.1117/12.459865
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

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.

Citation Download Citation

Robert C. Romeo and Peter C. Chen "Ultra-lightweight 4-meter segmented composite mirrors for extremely large telescopes", Proc. SPIE 4840, Future Giant Telescopes, (30 January 2003); https://doi.org/10.1117/12.459865

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