Vasilyeu, Ruslan Dudley, Angela Khilo, Nikolai Forbes, Andrew Media 4: Generating superpositions of higher–order Bessel beams Originally published in Optics Express on 21 December 2009 (oe-17-26-23389) Generating;superposition;media;oe;Optics Express;Bessel;21 December 2009 2009-12-21
    https://opticapublishing.figshare.com/articles/media/Media_4_Generating_superpositions_of_higher_order_Bessel_beams/4940351
10.1364/OE.17.023389.m004