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Fig. 3
High-order aberration (poke) estimation on SPHERE with COFFEE. Top: introduced poke (left, ϵ = 144 nm PV) and COFFEE-estimated poke (right, ϵest = 147 nm PV). Bottom: experimental image recorded from IRDIS (left) and image computed using the reconstructed aberration (right) (log. scale, same range for both images).
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