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Fig. 3


The eight Zernike modes controlled by the SCExAO implementation of the APF-WFS. Sorted by a Noll index, these modes are (from left to right and top to bottom): Z4: focus, Z5: oblique astigmatism, Z6: vertical astigmatism, Z7: horizontal coma, Z8: vertical coma, Z9: vertical trefoil, Z10: oblique trefoil and Z11: primary spherical.

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