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Proceedings Paper

Size of the halo of the adaptive optics PSF
Author(s): Szymon Gladysz; Miska Le Louarn; Natalia Yaitskova; Aurea Garcia-Rissmann; Lee Kann; Jack D. Drummond; Robert L. Johnson; Dan Roskey
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Paper Abstract

It is a widely accepted conjecture that the width of the incoherent halo in an adaptive optics point-spread function (PSF) should decrease with the level of correction. Using end-to-end simulations we prove that this is not the case and the halo is actually increasing in width, albeit at a decreasing overall brightness level as must be the case with increasing correction. The simulations span the cases of: seeing-limited, partial-, and high-order adaptive-optics (AO) correction. We show the relationship between the theory of partially-developed speckle and the observed statistical behavior of on-axis PSF intensity. Finally, we check the results of the simulations with real data obtained using the 3.5m Starfire Optical Range telescope located in New Mexico, US.

Paper Details

Date Published: 13 September 2012
PDF: 15 pages
Proc. SPIE 8447, Adaptive Optics Systems III, 844725 (13 September 2012); doi: 10.1117/12.925537
Show Author Affiliations
Szymon Gladysz, Fraunhofer Institute of Optronics, System Technologies and Image Exploitation (Germany)
Miska Le Louarn, European Southern Observatory (Germany)
Natalia Yaitskova, European Southern Observatory (Germany)
Aurea Garcia-Rissmann, European Southern Observatory (Germany)
Lab. Nacional de Astrofísica (Brazil)
Lee Kann, Air Force Research Lab. (United States)
Jack D. Drummond, Air Force Research Lab. (United States)
Robert L. Johnson, Air Force Research Lab. (United States)
Dan Roskey, Air Force Research Lab. (United States)

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

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