Fig. 4
Throughput images (top panels) and radial transmission profiles (lower panel) of the amplitude apodisers relevant to this investigation. Top row, from left: SPHERE APLC apodiser model of Guerri et al. (2011), and pupil-imaging measurements of the on-axis and off-axis transmission (respectively) of the weak MITHIC bench apodiser. Lower panel: Dark lines denote the mean radial throughput curve of each transmission profile, with shading illustrating the maximum and minimum bounds in the azimuthal direction.
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