Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992nascp3066...49l&link_type=abstract
In New Mexico Univ., A Lunar Optical-Ultraviolet-Infrared Synthesis Array (LOUISA) p 49-58 (SEE N93-13579 03-89)
Astronomy and Astrophysics
Astronomy
Imaging Techniques, Interferometers, Telescopes, Very Large Array (Vla), Apertures, Astronomy, Delay Lines, Design Analysis, Linkages, Mirrors, Moon
Scientific paper
An Optical Very Large Array (OVLA) is currently in early prototyping stages for ground-based sites, such as Mauna Kea and perhaps the VLT site in Chile. Its concept is also suited for a moon-based interferometer. With a ring of bi-dimensionally mobile telescopes, there is maximal flexibility in the aperture pattern, and no need for delay lines. A circular configuration of many free-flying telescopes, TRIO, is also considered for space interferometers. Finally, the principle of gaseous mirrors may become applicable for moon-based optical arrays. Fifteen years after the first coherent linkage of two optical telescopes, the design of an ambitious imaging array, the OVLA, is now well advanced. Two 1.5 m telescopes have been built and now provide astronomical results. Elements of the OVLA are under construction. Although primarily conceived for ground-based sites, the OVLA structure appears to meet the essential requirements for operation on the Moon.
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