Open Access

Table A.1

Low-order Zernike circle polynomials and their correspondent name in aberrations.

n 𝓁 Polynomial Unt(ϱ,ϑ)$U_n^t(\varrho ,\vartheta )$ Name
0 0 1 Piston
1 –1 ϱ sin ϑ y-tilt
1 1 ϱ COS ϑ x-tilt
2 –2 ϱ2 sin 2ϑ 45° primary astigmatism
2 0 (2ϱ2 1) Defocus
2 2 ϱ2 COS 2ϑ 0° primary astigmatism
3 –3 ϱ3 sin 3ϑ
3 –1 (3ϱ3 – 2ϱ) sin ϑ Primary y-coma
3 1 (3ϱ3 – 2ϱ) COS ϑ Primary x-coma
3 3 ϱ3 COS 3ϑ
4 –4 ϱ4 COS 4ϑ
4 –2 (4ϱ4–3ρ2)sin 2ϑ 45° secondary astigmatism
4 0 (6ϱ4 – 6ϱ2 + 1) Primary spherical
4 2 (4ϱ4 – 3ϱ2)cos 2ϑ 0° secondary astigmatism
4 4 ϱ4 COS 4ϑ
5 –5 ϱ5 sin 5ϑ
5 –3 (5ϱ5 – 4ϱ3) sin 3ϑ
5 -1 (10ϱ5 – 12ϱ3 + 3ϱ)sin ϱ Secondary y-coma
5 1 (10ϱ5 – 12ϱ3 + 3ϱ)cos ϱ Secondary x-coma
5 3 (5ϱ5 – 4ϱ3) cos 3ϑ
5 5 ϱ5 COS 5ϑ

Notes. The same order is used in the pyoof software to find and fit the Kn𝓁 constants.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.