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We demonstrate nonparaxial Mathieu and Weber accelerating beams, generalizing the concept of previously found accelerating beams. Such beams bend into large angles along elliptical or parabolic trajectories but still retain nondiffracting and self-healing capabilities.
We theoretically and experimentally demonstrate self-accelerating Bessel-like optical beams propagating along arbitrary trajectories in free space. Such beams possess nearly symmetric nondiffracting main lobes and exhibit self-healing properties, promising for a variety of applications.
We demonstrate theoretically and experimentally that optical vortices can be navigated along arbitrary trajectories with a preserving donut-shaped main lobe. The possibility of using such self-accelerating vortex-Bessel-like optical beams for particle manipulation is also illustrated.
We demonstrate for the first time stable self-trapping and self-induced transparency of light propagating in colloidal nano-suspensions with negative polarizabilities. Comparing to “polystyrene-water”-colloidal systems with positive polarizabilities, a fivefold increase in transmission ratio is achieved.
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