10.1364/OL.37.004627.m002 Z. Shen Z. Shen Z. J. Hu Z. J. Hu G. H. Yuan G. H. Yuan C. J. Min C. J. Min H. Fang H. Fang X.-C. Yuan X.-C. Yuan Media 2: Visualizing orbital angular momentum of plasmonic vortices Optica Publishing Group 2012 media plasmonic vortices 15 November 2012 Visualizing Optics Letters momentum 2012-11-15 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_2_Visualizing_orbital_angular_momentum_of_plasmonic_vortices/4919270 Originally published in Optics Letters on 15 November 2012 (ol-37-22-4627)