10.1364/OPEX.12.000384.m006 D. P. Biss D. P. Biss T. G. Brown T. G. Brown Media 6: Primary aberrations in focused radially polarized vortex beams Optica Publishing Group 2004 vortex beams aberration media oe radially Optics Express 09 February 2004 2004-02-09 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_6_Primary_aberrations_in_focused_radially_polarized_vortex_beams/4932131 Originally published in Optics Express on 09 February 2004 (oe-12-3-384)