Abstract
In generic three-dimensional optical fields the canonical point polarization singularities are points of circular polarization, points on lines, and points of linear polarization, points on lines. These special points are surrounded by a sea of ordinary points. In planes oriented normal to the principle axes of the polarization ellipse at the point, every ordinary point is also a singularity, here an ordinary polarization singularity, or point. Interactions between points, between points and points, and between points and points are described that highlight the fact that a consistent description of optical fields containing and lines must include points.
©2012 Optical Society of America
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