On prospects for an extremely large optical/infrared array telescope

Details On prospects for an extremely large optical/infrared array telescope On prospects for an extremely large optical/infrared array telescope

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..628..277s&link_type=abstract

IN: Advanced technology optical telescopes III; Proceedings of the Meeting, Tucson, AZ, Mar. 3-6, 1986 (A87-35201 15-89). Bellin

Astronomy and Astrophysics

Astronomy

Infrared Telescopes, Interferometry, Optical Heterodyning, Reflecting Telescopes, Signal Processing, Angular Resolution, Delay Lines, Digital Techniques, Optical Equipment, Radio Astronomy, Signal To Noise Ratios

Scientific paper

The heterodyne interferometer is considered as the basis of an optical array capable of synthesizing source images to extremely high angular resolution, from either a terrestrial or space-based location, in the interest of a one-milliarcsec angular resolution even in the presence of the earth atmosphere, as well as a 40-dB dynamic range and a field of view of 1 arcsec. An attractive aspect of the heterodyne method is that all data-handling methods of radio interferometry can be applied once the optical or IR signals have been converted to intermediate frequencies. Bandwidth limitations can be overcome by available methods of electronic integration and data processing.

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