Results 1 to 10 of about 3,654 (163)

High-order cylindrical vector beams with tunable topological charge up to 14 directly generated from a microchip laser with high beam quality and high efficiency

APL Photonics, 2019
Large topological charge optical vortex beams carrying orbital angular momentum have potential applications on optical trapping, optical communication with high capacity, quantum information processing.
Dimeng Chen, Yujie Miao, Hao Fu, Hongsen He, Jia Tong, Jun Dong   +5 more
doaj   +1 more source

MINFLUX nanoscopy enhanced with high-order vortex beams

Light: Science & Applications
Minimal photon fluxes (MINFLUX) nanoscopy has emerged as a transformative advancement in superresolution imaging, enabling unprecedented nanoscale observations across diverse biological scenarios.
Xiao-Jie Tan, Zhiwei Huang
doaj   +1 more source

Generation of Anisotropic Second‐Harmonic Petal‐Like Beams with NbOBr2 Holograms

Advanced Photonics Research
The coherent superposition of two vortex beams with opposite topological charges gives rise to the formation of petal‐like beams with unique intensity profiles and azimuthal phase structures, offering great potential for various applications.
Jayanta Deka, Jie Gao, Xiaodong Yang
doaj   +1 more source

Generating Optical Vortex Array Laser Beams of Superimposing Hermite–Gaussian Beams with a Dual–Phase Modulation Digital Laser System

Photonics
This study presents an efficient and practical intra-cavity approach for selectively generating vortex array laser beams employing a dual-phase modulation digital laser system, which has not yet been completed in single-phase modulation digital laser ...
Ly Ly Nguyen Thi, Ko-Fan Tsai, Shu-Chun Chu   +2 more
doaj   +1 more source

Vector vortex beams sorting of 120 modes in visible spectrum. [PDF]

Nanophotonics, 2023
Jia Q, Zhang Y, Shi B, Li H, Li X, Feng R, Sun F, Cao Y, Wang J, Qiu CW, Ding W.   +10 more
europepmc   +1 more source

Multifunctional metasurface coding for visible vortex beam generation, deflection and focusing

Nanophotonics
Vortex beams, as beams carrying orbital angular momentum (OAM), exhibit unique donut-shaped intensity distributions and helical wavefronts. They are widely applied in fields such as optical communication, nanoparticle manipulation, and quantum ...
Tian Run, Zhang Zhixiao, Gao Li
doaj   +1 more source

On-chip generation of single-photon circularly polarized single-mode vortex beams. [PDF]

Sci Adv, 2023
Liu X, Kan Y, Kumar S, Komisar D, Zhao C, Bozhevolnyi SI.   +5 more
europepmc   +1 more source

The Effect of Air Turbulence on Vortex Beams in Nonlinear Propagation. [PDF]

Sensors (Basel), 2023
Zhu D, Li C, Sun X, Liu Y, Zhang Y, Gao H.   +5 more
europepmc   +1 more source

Nonparaxial Propagation of Bessel Correlated Vortex Beams in Free Space. [PDF]

Micromachines (Basel), 2022
Petrov NI.
europepmc   +1 more source

Radially and Azimuthally Pure Vortex Beams from Phase-Amplitude Metasurfaces. [PDF]

ACS Photonics, 2023
de Oliveira M, Piccardo M, Eslami S, Aglieri V, Toma A, Ambrosio A.   +5 more
europepmc   +1 more source