title: Focusing of wedge-generated higher-order optical vortices.
abstract: We experimentally show that when higher-order optical vortices generated by a system of dielectric wedges are subjected to focusing they do not lose their structural stability.
authors.affiliation: Physical Department, Taurida National V. Vernadsky University, Vernadsky Avenue 4, Simferopol, 95007, Crimea, Ukraine.
authors.forename: Ya
authors.initials: Y
authors.lastname: Izdebskaya
authors.forename: V
authors.initials: V
authors.lastname: Shvedov
authors.forename: A
authors.initials: A
authors.lastname: Volyar