%0 Journal Article %J Opt. Express %D 2015 %T Aberration resistant axial localization using a self-imaging of vortices %A Michal Baránek %A Petr Bouchal %A M Šiler %A Zdeněk Bouchal %K MF %B Opt. Express %V 23 %P 15316–15331 %G eng %R 10.1364/OE.23.015316