Multifunctional Vortex Beam Generation by a Dynamic Reflective Metasurface
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Optical Materials"
DOI: 10.1002/adom.202001689
Abstract: In recent decades, metasurfaces have attracted considerable interest to generate vortex beams, that is, orbital angular momentum (OAM) carrying beams. However, the existing OAM metasurfaces are mostly fixedâmode or with single function. Here a concept… read more here.
Keywords: metasurface; beam generation; vortex beam; beam ... See more keywords
Fractal modes and multi-beam generation from hybrid microlaser resonators
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-04945-8
Abstract: Fractals are ubiquitous in nature, and prominent examples include snowflakes and neurons. Although it has long been known that intricate optical fractal patterns can be realized with components such as gratings and reflecting spheres, generating… read more here.
Keywords: modes multi; generation hybrid; fractal modes; generation ... See more keywords
Broadband efficient vortex beam generation with metallic helix array
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5039804
Abstract: Vortex beams with orbital angular momentum are characterized by a helical phase front and a phase singularity at the beam center. Such beams have various intriguing applications, such as optical communications, particle trapping, and high… read more here.
Keywords: phase; vortex beam; broadband efficient; beam generation ... See more keywords
Bessel Beam Generation Using Dielectric Planar Lenses at Millimeter Frequencies
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3040898
Abstract: In this work a dielectric planar lens is proposed to generate a Bessel beam. The lens works at Ka-band and produces a non-diffraction range within the Fresnel region of the antenna. The methodology to design… read more here.
Keywords: dielectric planar; beam generation; beam; bessel beam ... See more keywords
Vortex Beam Generation Based on Plasma Reflect- Array Surface at Microwave Frequencies
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2021.3083199
Abstract: Orbital angular momentum (OAM) is a promising feature of electromagnetic (EM) wave to increase the communication link capacity. It is possible to use the OAM over the whole spectrum from radio frequency to optic. EM… read more here.
Keywords: beam generation; reflect array; microwave frequencies; vortex beam ... See more keywords
Vortex-Bessel beam generation by 3D direct printing of an integrated multi-optical element on a fiber tip.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.470924
Abstract: Shaping light beams as they propagate out of the tips of optical fibers is a desired ability, as the light could be tailored for various applications in a miniaturized, integrated, and cost-effective manner. However, fabricating… read more here.
Keywords: beam generation; vortex bessel; beam; fiber ... See more keywords