Simulations of adaptive optics with a laser guide star for SINFONI

Anthony G.A. Brown; Enrico Fedrigo; Paul van der Werf

doi:10.1117/12.550954

25 October 2004 Simulations of adaptive optics with a laser guide star for SINFONI

Anthony G.A. Brown, Enrico Fedrigo, Paul van der Werf

Author Affiliations +

Proceedings Volume 5490, Advancements in Adaptive Optics; (2004) https://doi.org/10.1117/12.550954
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The SINFONI instrument for ESO's VLT combines integral field spectroscopy and adaptive optics (AO). We discuss detailed simulations of the adaptive optics module. These simulations are aimed at assessing the AO module performance, specifically for operations with extended sources and a laser guide star. Simulated point spread function (PSF) images will be used to support scientific preparations and the development of an exposure time calculator, while simulated wavefront sensor measurements will be used to study PSF reconstruction methods. We explain how the adaptive optics simulations work, focusing on the realistic modelling of the laser guide star for a curvature wavefront sensor. The predicted performance of the AO module is discussed, resulting in recommendations for the operation of the SINFONI AO module at the telescope.

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Anthony G.A. Brown, Anthony G.A. Brown, Enrico Fedrigo, Enrico Fedrigo, Paul van der Werf, Paul van der Werf, } "Simulations of adaptive optics with a laser guide star for SINFONI", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); doi: 10.1117/12.550954; https://doi.org/10.1117/12.550954

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