The state of polarization of focused, radially polarized electromagnetic fields is examined. Several types of polarization singularities exist and their relationship is investigated. We demonstrate that polarization singularities can annihilate in a variety of ways.
© 2006 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1960) Diffraction and gratings : Diffraction theory
(260.0260) Physical optics : Physical optics
(260.5430) Physical optics : Polarization
R. W. Schoonover and T. D. Visser, "Polarization Singularities of Focused, Radially Polarized Fields," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper FThJ5.
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