Linked and knotted beams of light

knotted_light.jpg

From Linked and knotted beams of light

third, we show that approximate knots of light may be generated using tightly focused circularly polarized laser beams. We predict theoretical extensions and potential applications, in fields ranging from fluid dynamics, topological optical solitons and particle trapping to cold atomic gases and plasma confinement.

[via nextbigfuture]

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