Generating multi-focus beams with a spatial non-uniform coherence structure.
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DOI: 10.1364/ol.491880
Abstract: We introduce a class of structured light beams, named multi-focus beams, which exhibit self-focusing at multiple propagation distances. We show that the proposed beams not only have the ability to produce multiple longitudinal focal spots,… read more here.
Keywords: generating multi; multi focus; spatial non; focus beams ... See more keywords