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25 October 2004 Influence of restricted FOV and CCD binning in SH-WFS on the performance of NAOMI
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Using a unique combination of empirical data collected simultaneously by the science camera (INGRID) and the wave front sensor in NAOMI plus the same night profiles of the turbulent layers measured by SLODAR, we discuss the accuracy of the analytic approach to modelling of AO performance. The WFS frames recorded for different atmospheric conditions allow us to make a detailed investigation of the influence of a restricted field of view and sampling of the WFS on the accuracy of the centre of gravity and its propagation to the residual variance. The predictions of Strehl, FWHM and FWHE derived for NAOMI+INGRID using our analytic approach are compared with on-sky performance demonstrated during the commissioning and science observations with NAOMI.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ilona K. Soechting, Richard W. Wilson, Richard M. Myers, Andy J. Longmore, Chris R. Benn, Roy Ostensen, Sebastian Els, Steven Goodsell, Tom Gregory, and Gordon Talbot "Influence of restricted FOV and CCD binning in SH-WFS on the performance of NAOMI", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); doi: 10.1117/12.552046;


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