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Atmospheric turbulence profiling using multiple laser star wavefront sensors

Cortes, A; Neichel, Benoit; Guesalaga, A; Osborn, J; Rigaut, Francois; Guzman, D


This paper describes the data pre-processing and reduction methods together with SLOpe Detection And Ranging (SLODAR) analysis and wind profiling techniques for the Gemini South Multi-Conjugate Adaptive Optics System (GeMS). The wavefront gradient measurements of the five GeMS Shack-Hartmann sensors, each pointing to a laser guide star, are combined with the deformable mirror (DM) commands sent to three DMs optically conjugated at 0, 4.5 and 9km in order to reconstruct pseudo-open loop slopes....[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2012.22076.x
Access Rights: Open Access


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