Tao, S. H. Yuan, X.-C. Lin, J. Burge, R. E. Media 3: Residue orbital angular momentum in interferenced double vortex beams with unequal topological charges Originally published in Optics Express on 23 January 2006 (oe-14-2-535) Residue;23 January 2006;media;oe;vortex beams;Optics Express;interferenced;topological charges;momentum 2006-01-23
    https://opticapublishing.figshare.com/articles/media/Media_3_Residue_orbital_angular_momentum_in_interferenced_double_vortex_beams_with_unequal_topological_charges/4934912
10.1364/OPEX.14.000535.m003