27 July 2010 System overview of the Multi conjugated Adaptive Optics RelaY for the E-ELT
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Abstract
MAORY, the Multi-conjugated Adaptive Optics RelaY for the European Extremely Large Telescope, will be located on one of the Nasmyth platforms of the telescope to provide multi conjugated adaptive optics correction of the wavefront. The scientific instruments fed by the module will benefit from a corrected field of view of 2 arcmin diameter with high performance uniformity across the field. The two post-focal deformable mirrors are projected at high altitude by the optical system based on 5 mirrors and one dichroic which splits the laser light of the artificial reference stars from the science channel. The third deformable mirror, conjugated to the ground, is integrated into the telescope. Six laser guide stars are foreseen in order to measure the wavefront distortions and three natural guide stars are used to solve the tip-tilt indetermination problem. The natural guide stars wavefront sensors are located close to the output focal plane in order to minimize the non common path aberrations. Two output ports are foreseen: one gravity invariant located below the optical bench and one on one side of the bench to feed large instruments placed on the Nasmyth platform.
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Italo Foppiani, Italo Foppiani, Emiliano Diolaiti, Emiliano Diolaiti, Andrea Baruffolo, Andrea Baruffolo, Valdemaro Biliotti, Valdemaro Biliotti, Giovanni Bregoli, Giovanni Bregoli, Giuseppe Cosentino, Giuseppe Cosentino, Bernard Delabre, Bernard Delabre, Matteo Lombini, Matteo Lombini, Enrico Marchetti, Enrico Marchetti, Pierfrancesco Rossettini, Pierfrancesco Rossettini, Laura Schreiber, Laura Schreiber, Raffaele Tomelleri, Raffaele Tomelleri, Jean-Marc Conan, Jean-Marc Conan, Sandro D'Odorico, Sandro D'Odorico, Norbert Hubin, Norbert Hubin, "System overview of the Multi conjugated Adaptive Optics RelaY for the E-ELT", Proc. SPIE 7736, Adaptive Optics Systems II, 77362Z (27 July 2010); doi: 10.1117/12.858128; https://doi.org/10.1117/12.858128
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