We generate abruptly autofocusing beams that can produce vortices at the focus spot. We give equations for controlling the focal distance and numerical aperture. Experimental results are presented.
© 2012 OSA
J. A. Davis, D. M. Cottrell, and D. Sand, "Abruptly autofocusing vortex beams," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FW3A.58.
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