Schouten, Hugo F. Visser, Taco D. Gbur, Greg Lenstra, Daan Blok, Hans Media 1: Creation and annihilation of phase singularities near a sub-wavelength slit Originally published in Optics Express on 24 February 2003 (oe-11-4-371) Creation;sub-wavelength slit;media;Optics Express;annihilation;phase singularities;oe;24 February 2003 2003-02-24
    https://opticapublishing.figshare.com/articles/media/Media_1_Creation_and_annihilation_of_phase_singularities_near_a_sub-wavelength_slit/4931186
10.1364/OE.11.000371.m001