Physics – Optics
Scientific paper
Jul 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7015e.160l&link_type=abstract
Adaptive Optics Systems. Edited by Hubin, Norbert; Max, Claire E.; Wizinowich, Peter L. Proceedings of the SPIE, Volume 7015
Physics
Optics
Scientific paper
MAORY, the multi-conjugate adaptive optics module for the E-ELT, is supposed to be placed in one of the two Nasmyth platforms of the telescope, re-imaging the focal plane with a diffraction limited image quality. The requested operating wavelength is from 0.6 to 2.4μm with a high throughput. The module will include a natural guide stars wave front sensor (NGS WFS) and a laser guide stars WFS (LGS WFS) and will feed at least two scientific instruments with a corrected field of view up to 2 arcmin, providing a mechanical de-rotation for the light instruments attached (< 4tons). We present below a preliminary optical design of the post focal relay taking count of the required performance. A particular attention is paid to the critical aspects such as the pupil de-rotation, the light splitting between the WFSs and the scientific channel and the deformable mirrors (DMs) optical parameters and dimensioning.
Delabre Bernard
Diolaiti Emiliano
Foppiani Italo
Lombini Matteo
Marchetti Enrico
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