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. 2018 Jun 18;8:9252. doi: 10.1038/s41598-018-27693-7

Figure 9.

Figure 9

Coefficients of the Zernike polynomial of the aberration when the blood vessels at 1,000-μm optical depth in a mouse were observed. The horizontal axis represents the index of the Zernike polynomial. Indices 1 and 2 are tilt, 3 is defocus, 4 and 5 are astigmatism, 6 and 7 are coma, 8 and 9 are trefoil, and 10 is spherical aberration.