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An erratum is presented to correct the graphic of linear astigmatism in Table 4 in [Opt. Express 16, 15655-15670 (2008)].
©2009 Optical Society of America
We present an erratum to correct the orientation of the astigmatic foci in the graphic of linear astigmatism in Table 4 of Ref [1]. The table should be:
Table 4. Aberration field components. The field of defocus is represented by circles that convey the size of the defocused image across the field. Astigmatism is represented by a projection of the astigmatic focal lines. Coma is represented by a collection of circles. Each circle represents a fixed magnitude of the aperture vector, ρ, thus the collection of circles show the magnitude and orientation of the aberration in the field. Spherical aberration is represented by circles that show the magnitude of the aberration. All i vectors used in creating these graphs are pointing to the right. (Color online: Red denotes locations in the field where the focus position is before the image plane)
The orientation of the astigmatic focal lines as presented in Fig. 7 of Ref [1]. is correct. The authors regret this error which does not affect any of the other graphics, equations, or conclusions presented in Ref [1].
