Coherent array telescopes as a fifteen meter optical telescope equivalent

Details Coherent array telescopes as a fifteen meter optical telescope equivalent Coherent array telescopes as a fifteen meter optical telescope equivalent

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982spie..332..411o&link_type=abstract

IN: International Conference on Advanced Technology Optical Telescopes, Tucson, AZ, March 11-13, 1982, Proceedings (A83-30976 13

Computer Science

Telescopes, Visible Spectrum, Arrays, Infrared Spectra, Interferometry, Mirrors

Scientific paper

The potential benefits of using a mirror array to form a large optical telescope equivalent to a 15 m monolithic mirror telescope are discussed. The concept comprises 25 three meter telescopes in a circular array or 13 double unit telescopes, also in a circular array. The double-units would have individual 4.2 m instruments. Meniscus-shaped mirrors with F/2 aperture ratios would allow lightweight construction. A smaller, four double unit telescope would be equivalent to an 8.4 m telescope, larger than any existing in the world. The viewing capabilities could also be extended to the IR. Each sector of the compound telescopes, if built with 3 m apertures, could be controlled with 1/20th arsec acccuracy. Finally, the inherent long baseline of an array telescope would permit enhanced interferometric viewing.

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