Results 21 to 30 of about 2,883 (253)

On-chip generation of adjustable cylindrical vector beams

open access: yesOptics Express, 2023
Cylindrical vector (CV) beams have sparked considerable interest due to their extraordinary vectorial properties, desirable for applications ranging from microscopy to high energy physics. Increasing demand for cost-effective, small-footprint photonics has fueled the development of photonic integrated circuits (PICs) capable of generating structured ...
C. Cisowski   +4 more
openaire   +2 more sources

Mid-infrared cylindrical vector beams enabled by dielectric metasurfaces

open access: yesAPL Materials, 2021
Over the last decade, photonics in the mid-infrared (mid-IR) frequency range had major advances in both generation and detection of light. However, efficient manipulation of the mid-IR light still faces many challenges.
Anastasia Zalogina   +5 more
doaj   +1 more source

Generation of cylindrical and elliptical symmetrical vector beam on the Mach–Zehnder interferometer

open access: yesAIP Advances, 2018
We propose a principal scheme to generate the cylindrical and the elliptical symmetrical vector beam based on a modified Mach-Zehnder interferometer. The modified Mach-Zehnder interferometer, the wave plates, the Polarizing Beam Splitter (PBS) and the ...
Xiang Xu   +5 more
doaj   +1 more source

Polarization-Selective Holographic Metasurface For Creating Cylindrical Vector Beams

open access: yesIEEE Photonics Journal, 2019
Generalized cylindrical vector beams (GCVB) are spatially polarization inhomogeneous. It could be considered as a combination of a radially polarized beam and an azimuthally polarized beam with different weighting factors.
Jiannong Chen, Qinfeng Xu, Jing Han
doaj   +1 more source

Formation of Inverse Energy Flux in the Case of Diffraction of Linearly Polarized Radiation by Conventional and Generalized Spiral Phase Plates

open access: yesPhotonics, 2021
Recently, there has been increased interest in the shaping of light fields with an inverse energy flux to guide optically trapped nano- and microparticles towards a radiation source.
Andrey V. Ustinov   +2 more
doaj   +1 more source

Effectively Identifying the Topological Charge and Polarization Order of Arbitrary Singular Light Beams Based on Orthogonal Polarization Separating

open access: yesIEEE Photonics Journal, 2019
Singular beams with spatially variant field distributions have various fantastic applications. However, one of the significant challenges that hinder the wide application of singular beams is how to effectively identify the topological charge and the ...
Yanliang He   +10 more
doaj   +1 more source

Transmission of Orbital Angular Momentum and Cylindrical Vector Beams in a Large-Bandwidth Annular Core Photonic Crystal Fiber

open access: yesFibers, 2020
The stable propagation of orbital angular momentum and cylindrical vector beams in a newly designed annular core photonic crystal fiber (AC-PCF) tailored for the broadband single-radial order beam transmission (within the so-called “endlessly mono-radial”
Manish Sharma   +6 more
doaj   +1 more source

Efficient optical trapping with cylindrical vector beams

open access: yesOptics Express, 2019
Radially and azimuthally polarized beams can create needle-like electric and magnetic fields under tight focusing conditions, respectively, and thus have been highly recommended for optical manipulation. There have been reports on the superiority of these beams over the conventional Gaussian beam for providing a larger optical force in single beam ...
H. Moradi   +4 more
openaire   +2 more sources

Tailoring of Inverse Energy Flow Profiles with Vector Lissajous Beams

open access: yesPhotonics, 2022
In recent years, structured laser beams for shaping inverse energy flow regions: regions with a direction of energy flow opposite to the propagation direction of a laser beam, have been actively studied.
Svetlana N. Khonina   +4 more
doaj   +1 more source

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

open access: yesAPL 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   +5 more
doaj   +1 more source

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