Articles with "wavefront manipulation" as a keyword



Ultraviolet wavefront manipulation using topological insulator metasurfaces based on geometric phase

Sign Up to like & get
recommendations!
Published in 2021 at "Optics Communications"

DOI: 10.1016/j.optcom.2021.126812

Abstract: Abstract Metasurfaces, planar arrays of subwavelength optical phase shifters, show unprecedented superiority to convention bulk optical elements in many applications. Until now, most of metasurfaces work at frequencies from the microwave to the visible; material… read more here.

Keywords: topological insulator; geometric phase; wavefront manipulation; phase ... See more keywords
Photo by loganvoss from unsplash

Broadband multiparameter-tunable terahertz metasurfaces for dynamic wavefront manipulation based on VO2 phase transition

Sign Up to like & get
recommendations!
Published in 2025 at "Physica Scripta"

DOI: 10.1088/1402-4896/ae0a07

Abstract: This study introduces a broadband tunable multifunctional terahertz (THz) metasurface platform based on vanadium dioxide (VO2) phase transition. The proposed meta-atom design achieves bistable electromagnetic responses through a hybrid resonant architecture combining a Cu-VO2 composite… read more here.

Keywords: phase transition; terahertz; wavefront manipulation; vo2 phase ... See more keywords

Ultra-broadband high-efficiency circular polarization conversion and terahertz wavefront manipulation based on an all-metallic reflective metasurface.

Sign Up to like & get
recommendations!
Published in 2022 at "Applied optics"

DOI: 10.1364/ao.454099

Abstract: In this paper, an all-metal metasurface (MS), which can achieve high-efficient reflective circular-polarization conversion and multifunctional terahertz (THz) wavefront manipulation in an ultra-broadband frequency range, is proposed and investigated theoretically. The proposed all-metal MS consists… read more here.

Keywords: wavefront; conversion; circular polarization; wavefront manipulation ... See more keywords

Full-space wavefront manipulation enabled by asymmetric photonic spin-orbit interactions.

Sign Up to like & get
recommendations!
Published in 2022 at "Optics express"

DOI: 10.1364/oe.477883

Abstract: Optical metasurfaces empower complete wavefront manipulation of electromagnetic waves and have been found in extensive applications, whereas most of them work in either transmission or reflection space. Here, we demonstrate that two independent and arbitrary… read more here.

Keywords: asymmetric photonic; wavefront manipulation; space; full space ... See more keywords

Forward-backward wavefront manipulation of orthogonal linearly polarized waves based on a metasurface zone plate.

Sign Up to like & get
recommendations!
Published in 2024 at "Optics letters"

DOI: 10.1364/ol.530180

Abstract: Metasurface zone plates exhibit stronger optical control capabilities than traditional Fresnel zone plates, especially in polarization transformation and multiplexing. However, there are still few studies on metasurface zone plates that can be used for simultaneous… read more here.

Keywords: linearly polarized; zone plates; wavefront manipulation; forward backward ... See more keywords
Photo from academic.microsoft.com

Wavefront manipulation by acoustic metasurfaces: from physics and applications

Sign Up to like & get
recommendations!
Published in 2018 at "Nanophotonics"

DOI: 10.1515/nanoph-2017-0122

Abstract: Abstract Molding the wavefront of acoustic waves into the desired shape is of paramount significance in acoustics, which however are usually constrained by the acoustical response of naturally available materials. The emergence of acoustic metamaterials… read more here.

Keywords: wavefront manipulation; manipulation acoustic; physics; acoustic waves ... See more keywords

All-Dielectric Huygens’ Metasurface for Wavefront Manipulation in the Visible Region

Sign Up to like & get
recommendations!
Published in 2021 at "Materials"

DOI: 10.3390/ma14205967

Abstract: All-dielectric Huygens’ metasurfaces have been widely used in wavefront manipulation through multipole interactions. Huygens’ metasurfaces utilize the superposition between an electric dipole and a magnetic dipole resonance to realize transmission enhancement and an accumulated 2π… read more here.

Keywords: dielectric huygens; huygens metasurface; wavefront manipulation; visible region ... See more keywords

Tunable Terahertz Wavefront Modulation Based on Phase Change Materials Embedded in Metasurface

Sign Up to like & get
recommendations!
Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12203592

Abstract: In the past decades, metasurfaces have shown their extraordinary abilities on manipulating the wavefront of electromagnetic wave. Based on the ability, various kinds of metasurfaces are designed to realize new functional metadevices based on wavefront… read more here.

Keywords: thz; wavefront manipulation; phase change; tunable wavefront ... See more keywords