FALCON: Extending adaptive corrections to cosmological fields

Details FALCON: Extending adaptive corrections to cosmological fields FALCON: Extending adaptive corrections to cosmological fields

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006newar..50..382p&link_type=abstract

New Astronomy Reviews, Volume 50, Issue 4-5, p. 382-384.

Astronomy and Astrophysics

Astronomy

Scientific paper

We present FALCON which is an original concept for a next generation instrument which could be used on the ESO very large telescope (VLT) and on the future extremely large telescopes (ELT). It is a multi-object integral field spectrograph with multiple small integral field units (IFUs). Each of them integrates a tiny adaptive optics system coupled with atmospheric tomography to solve the sky coverage problem. This therefore allows to reach spatial (˜0.25 arcsec) and spectral (R ⩾ 5000) resolutions suitable for distant galaxy studies in the 0.8 1.8 μm wavelength range. In the FALCON concept, the adaptive optics correction is only applied to small and discrete areas selected within a large field. This approach implies to develop miniaturized devices, such as deformable mirrors (DM) and wavefront sensors (WFS) for wavefront correction.

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