Abstract
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
PDF ArticleWe 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
PDF Article