title: Radial mode dependence of optical beam shifts.
abstract: It is known that orbital angular momentum (OAM) couples the Goos-Hänchen and Imbert-Fedorov shifts. Here, we present the first study of these shifts when the OAM-endowed LG(ℓ,p) beams have higher-order radial mode index (p>0). We show theoretically and experimentally that the angular shifts are enhanced by p while the positional shifts are not.
authors.affiliation: Huygens Laboratory, Leiden University, Leiden, The Netherlands. hermosa@physics.leidenuniv.nl
authors.forename: N
authors.initials: N
authors.lastname: Hermosa
authors.forename: Andrea
authors.initials: A
authors.lastname: Aiello
authors.forename: J P
authors.initials: JP
authors.lastname: Woerdman