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Proceedings Paper

MAORY real-time computer preliminary design
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Paper Abstract

MAORY is the Multi-conjugate Adaptive Optics module for the Extremely Large Telescope and it will be located on the Nasmyth platform of the telescope to feed scientific instruments. MAORY will re-image the telescope focal plane providing multi-conjugate adaptive optics correction of the wavefront distortion induced by the atmosphere. The system is based on six laser guide stars and three natural guide stars for sensing the wavefront distortion and three deformable mirrors for correcting it. We will show the current status of the preliminary design of the Real Time Computer in charge of carrying out all the calculations based on the measurements of the guide stars wavefront sensors. The hard real time (primary) loops are in charge of controlling the deformable mirrors and the lasers jitter compensation while the soft real- time (secondary) loops are in charge of updating the primary loops parameters as well as measuring or estimating the atmospheric parameters and the system performance. Telemetry data management/recording and calibration are the other tasks carried out by the real time computer.

Paper Details

Date Published: 18 July 2018
PDF: 7 pages
Proc. SPIE 10703, Adaptive Optics Systems VI, 1070343 (18 July 2018); doi: 10.1117/12.2311618
Show Author Affiliations
Italo Foppiani, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Laura Schreiber, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Guido Agapito, INAF - Osservatorio Astrofisico di Arcetri (Italy)
Carmelo Arcidiacono, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Andrea Baruffolo, INAF - Osservatorio Astronomico di Padova (Italy)
Giovanni Bregoli, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Lorenzo Busoni, INAF - Osservatorio Astrofisico di Arcetri (Italy)
Enrico Cascone, INAF - Osservatorio Astronomico di Capodimonte (Italy)
Giuseppe Cosentino, Univ. degli Studi di Bologna (Italy)
Michele Bellazzini, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Paolo Ciliegi, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Emiliano Diolaiti, INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy)
Simone Esposito, INAF - Osservatorio Astrofisico di Arcetri (Italy)
Philippe Feautrier, Univ. Joseph Fourer-Grenoble 1, CNRS-INSU, Institut de Planétologie et d’Astrophysique de Grenoble (France)
Roberto Ragazzoni, INAF - Osservatorio Astronomico di Padova (Italy)


Published in SPIE Proceedings Vol. 10703:
Adaptive Optics Systems VI
Laird M. Close; Laura Schreiber; Dirk Schmidt, Editor(s)

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