Papers & References

Laser beams: Knotted threads of darkness

Spatial Light Modulators
Higher Order Modes / Optical Vortex / OAM
Published on:
Authors: Jonathan Leach, Mark R. Dennis, Johannes Courtial & Miles J. Padgett
Abstract:

“Destructive interference may lead to complete cancellation when light waves travelling in different directions cross, and in three-dimensional space this occurs along lines that are vortices of electromagnetic energy flow. Here we confirm theoretical predictions by experimentally creating combinations of optical laser beams in which these dark threads form stable loops that are linked and knotted.”

Open Access

Publication: Nature
Issue/Year: Nature 432, 165 (11 November 2004)
DOI: 10.1038/432165a
Link: https://doi.org/10.1038/432165a
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