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Proceedings Paper

Infinite impulse response modal filtering in visible adaptive optics
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Paper Abstract

Diffraction limited resolution adaptive optics (AO) correction in visible wavelengths requires a high performance control. In this paper we investigate infinite impulse response filters that optimize the wavefront correction: we tested these algorithms through full numerical simulations of a single-conjugate AO system comprising an adaptive secondary mirror with 1127 actuators and a pyramid wavefront sensor (WFS). The actual practicability of the algorithms depends on both robustness and knowledge of the real system: errors in the system model may even worsen the performance. In particular we checked the robustness of the algorithms in different conditions, proving that the proposed method can reject both disturbance and calibration errors.

Paper Details

Date Published: 13 September 2012
PDF: 10 pages
Proc. SPIE 8447, Adaptive Optics Systems III, 844731 (13 September 2012); doi: 10.1117/12.925896
Show Author Affiliations
G. Agapito, INAF - Osservatorio Astrofisico di Arcetri (Italy)
C. Arcidiacono, INAF - Osservatorio Astronomico di Bologna (Italy)
F. Quirós-Pacheco, INAF - Osservatorio Astrofisico di Arcetri (Italy)
A. Puglisi, INAF - Osservatorio Astrofisico di Arcetri (Italy)
S. Esposito, INAF - Osservatorio Astrofisico di Arcetri (Italy)

Published in SPIE Proceedings Vol. 8447:
Adaptive Optics Systems III
Brent L. Ellerbroek; Enrico Marchetti; Jean-Pierre Véran, Editor(s)

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