Diffraction-free beams
- 13 April 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 58 (15) , 1499-1501
- https://doi.org/10.1103/physrevlett.58.1499
Abstract
It was recently predicted that nondiffracting beams, with beam spots as small as a few wavelengths, can exist and propagate in free space. We report the first experimental investigation of these beams.Keywords
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