Vaity, Pravin Singh, R. P. Media 5: Self-healing property of optical ring lattice Originally published in Optics Letters on 01 August 2011 (ol-36-15-2994) Self-healing;01 August 2011;media;ring lattice;Optics Letters 2011-08-01
    https://opticapublishing.figshare.com/articles/media/Media_5_Self-healing_property_of_optical_ring_lattice/4918826
10.1364/OL.36.002994.m005