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Spatiotemporal vortex beams and angular momentum
We present a space-time generalization of the known spatial (monochromatic) wave vortex
beams carrying intrinsic orbital angular momentum (OAM) along the propagation direction …
beams carrying intrinsic orbital angular momentum (OAM) along the propagation direction …
Generation of terahertz surface plasmon polaritons using nondiffractive Bessel beams with orbital angular momentum
Bessel vortex beams with topological charges of l=±1 and l=±2 were produced in the
terahertz spectral range from a free electron laser Gaussian beam (λ= 141 μ m) transformed …
terahertz spectral range from a free electron laser Gaussian beam (λ= 141 μ m) transformed …
Coupling of spin and angular momentum of light in plasmonic vortex
We present that two distinct optical properties of light, the spin angular momentum (SAM)
and the orbital angular momentum (OAM), can be coupled in the plasmonic vortex. If a …
and the orbital angular momentum (OAM), can be coupled in the plasmonic vortex. If a …
A plasmonic spanner for metal particle manipulation
Typically, metal particles are difficult to manipulate with conventional optical vortex (OV)
tweezers, because of their strong absorption and scattering. However, it has been shown …
tweezers, because of their strong absorption and scattering. However, it has been shown …
Visualizing orbital angular momentum<? A3B2 show [pmg: line-break justify=" yes"/]?> of plasmonic vortices
Plasmonic vortices (PVs) are generated by focusing a radially polarized optical vortex (OV)
beam onto a metal surface. The intensity distribution of the PV is registered with a near-field …
beam onto a metal surface. The intensity distribution of the PV is registered with a near-field …
Map** plasmonic near-field profiles and interferences by surface-enhanced Raman scattering
Map** near-field profiles and dynamics of surface plasmon polaritons is crucial for
understanding their fundamental optical properties and designing miniaturized photonic …
understanding their fundamental optical properties and designing miniaturized photonic …
Radially polarized plasmonic vector vortex generated by a metasurface spiral in gold film
Y Zhang, R Zhang, X Li, L Ma, C Liu, C He… - Optics express, 2017 - opg.optica.org
Vector vortices with spatially varying polarization are interesting phenomena and have
motivated many recent studies. A vector vortex in the wavefield of a surface plasmon …
motivated many recent studies. A vector vortex in the wavefield of a surface plasmon …
Deterministic synthesis of optical vortices in tailored plasmonic Archimedes spiral
We demonstrate that the shape and the orientation of a surface plasmon (SP) vortex can be
deterministically tailored through the geometrical design of a plasmonic Archimedes spiral …
deterministically tailored through the geometrical design of a plasmonic Archimedes spiral …
Drawing structured plasmonic field with on-chip metalens
The ability to draw a structured surface plasmon polariton (SPP) field is an important step
toward many new opportunities for a broad range of nanophotonic applications. Previous …
toward many new opportunities for a broad range of nanophotonic applications. Previous …
Generation of optical vortices with polarization-insensitive metasurfaces
Traditionally, optical vortices (OVs) were generated with diffractive optical elements (DOEs)
such as spiral phase plate (SPP), fork grating, spatial light modulator (SLM), and liquid …
such as spiral phase plate (SPP), fork grating, spatial light modulator (SLM), and liquid …