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Modelling astronomical adaptive optics performance with temporally-filtered Wiener reconstruction of slope data
Carlos M. Correia, Charlotte Z. Bond, Jean-François Sauvage +3
We build on a long-standing tradition in astronomical adaptive optics (AO) of specifying performance metrics and error budgets using linear systems modeling in the spatial-frequenc…
Quantifying telescope phase discontinuities external to AO-systems by use of Phase Diversity and Focal Plane Sharpening
Masen Lamb, Carlos Correia, Jean-Francois Sauvage +7
We propose and apply two methods to estimate pupil plane phase discontinuities for two realistic scenarios on VLT and Keck. The methods use both Phase Diversity and a form of image…
Iterative wave-front reconstruction in the Fourier domain
Charlotte Z. Bond, Carlos M. Correia, Jean-François Sauvage +2
The use of Fourier methods in wave-front reconstruction can significantly reduce the computation time for large telescopes with a high number of degrees of freedom. However, Fourie…