Science, Technology and Detectors for Extremely Large Telescopes

Details Science, Technology and Detectors for Extremely Large Telescopes Science, Technology and Detectors for Extremely Large Telescopes

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005exa....19....5g&link_type=abstract

Experimental Astronomy, Volume 19, Issue 1-3, pp. 5-13

Astronomy and Astrophysics

Astronomy

Extremely Large Telescopes, Gigapixel Detectors Owl 100 M Telescope

Scientific paper

The second decade of the third millennium will hopefully see a new generation of extremely large telescopes. These will have diameters from 30 to 100 meters and use advanced adaptive optics to operate at the diffraction limit in order to detect astronomical objects that are impossible to observe today, such as earth-like planets around nearby stars and the earliest objects in the Universe. Even for small fields of view, the requirements for detectors are daunting, with sizes of several gigapixels, very fast readout times and extremely low readout noise. In this paper I briefly review the science case for ELTs and the requirements they set on telescopes and instruments, and report on the status of the OWL 100 m telescope project and the challenges it poses.

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