Chen, Mingzhou Mazilu, Michael Arita, Yoshihiko Wright, Ewan M. Dholakia, Kishan Media 7: Dynamics of microparticles trapped in a perfect vortex beam Originally published in Optics Letters on 15 November 2013 (ol-38-22-4919) microparticle;media;vortex beam;15 November 2013;Dynamics;Optics Letters 2013-11-15
    https://opticapublishing.figshare.com/articles/media/Media_7_Dynamics_of_microparticles_trapped_in_a_perfect_vortex_beam/4919654
10.1364/OL.38.004919.m007