Articles with "sub wavelength" as a keyword



Photo from wikipedia

Enhanced Air Microcavity of Channel SPP Waveguide HALby Graphene Material

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

DOI: 10.1007/s11468-018-0806-3

Abstract: The two-dimensional material, represented by graphene, is an immediate research focus of interdisciplinary fields, such as nanophotonics and life sciences. The unique advantages of surface plasmon polaritons, such as enhanced transmission and sub-wavelength structure, bring… read more here.

Keywords: sub wavelength; field; air; channel ... See more keywords
Photo from wikipedia

Fano Resonances as Optical Markers of Sub-Wavelength Nanoparticle Packaging and Elemental Segregation in Laser-Dewetted Au-Pd Film

Sign Up to like & get
recommendations!
Published in 2019 at "Plasmonics"

DOI: 10.1007/s11468-019-01000-0

Abstract: A 50-nm-thick alloyed gold-palladium film on a silica substrate was dewetted by 1060-nm/ns laser pulses and characterized by scanning electron microscopy. Optical transmission spectroscopy of the millimeter-sized spot of the dewetted film demonstrates pronounced Fano… read more here.

Keywords: laser; microscopy; sub wavelength; dewetted film ... See more keywords
Photo from wikipedia

Design of Sub wavelength-Grating-Coupled Fano Resonance Sensor in Mid-infrared

Sign Up to like & get
recommendations!
Published in 2020 at "Plasmonics"

DOI: 10.1007/s11468-020-01313-5

Abstract: By introducing the sub-wavelength grating (SWG) waveguide in the long-range surface phonon resonance (LRSPhR) device, a mid-infrared Fano resonance is formed due to the coupling between surface phonon polariton and Bloch mode. By taking advantage… read more here.

Keywords: sub wavelength; resonance; mid infrared; fano resonance ... See more keywords
Photo from wikipedia

Sub-wavelength lithography of complex 2D and 3D nanostructures without two-photon dyes

Sign Up to like & get
recommendations!
Published in 2017 at "Additive manufacturing"

DOI: 10.1016/j.addma.2017.05.003

Abstract: Abstract One-photon or two photon absorption by dye molecules in photopolymers enable direct 2D & 3D lithography of micro/nano structures with high spatial resolution and can be used effectively in fabricating artificially structured nanomaterials. However,… read more here.

Keywords: two photon; sub wavelength; lithography complex; wavelength lithography ... See more keywords
Photo from wikipedia

Generating sub wavelength pure longitudinal magnetization probe and chain using complex phase plate

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

DOI: 10.1016/j.optcom.2017.09.007

Abstract: Abstract Based on inverse Faraday Effect, the three dimensional magnetization field distribution induced by the azimuthally polarized annular multi Gaussian transmitted through a multi belt complex phase filter (MBCPF) is investigated numerically using vector diffraction… read more here.

Keywords: chain; probe; sub wavelength; pure longitudinal ... See more keywords
Photo by nci from unsplash

Sub-wavelength modulation of χ(2) optical nonlinearity in organic thin films

Sign Up to like & get
recommendations!
Published in 2017 at "Nature Communications"

DOI: 10.1038/ncomms14269

Abstract: Modulating the second-order nonlinear optical susceptibility (χ(2)) of materials at the nanoscale represents an ongoing technological challenge for a variety of integrated frequency conversion and nonlinear nanophotonic applications. Here we exploit the large hyperpolarizability of… read more here.

Keywords: modulation optical; nonlinearity; sub wavelength; wavelength modulation ... See more keywords
Photo from wikipedia

Real-time sub-wavelength imaging of surface waves with nonlinear near-field optical microscopy

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

DOI: 10.1038/s41566-021-00782-2

Abstract: Imaging evanescent waves is of crucial importance for sub-wavelength-scale investigation of various phenomena. However, frequently used techniques for near-field imaging require either a strong perturbation of the field, long acquisition times or complex electron-based tools.… read more here.

Keywords: field; near field; microscopy; real time ... See more keywords
Photo from wikipedia

Diffraction-less propagation beyond the sub-wavelength regime: a new type of nanophotonic waveguide

Sign Up to like & get
recommendations!
Published in 2019 at "Scientific Reports"

DOI: 10.1038/s41598-019-41810-0

Abstract: Sub-wavelength grating (SWG) metamaterials have garnered a great interest for their singular capability to shape the propagation of light. However, practical SWG implementations are limited by fabrication constraints, such as minimum feature size. Here, we… read more here.

Keywords: propagation; sub wavelength; diffraction; diffraction less ... See more keywords
Photo from wikipedia

Observation of sub-wavelength phase structure of matter wave with two-dimensional optical lattice by Kapitza-Dirac diffraction

Sign Up to like & get
recommendations!
Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-62551-5

Abstract: We report an experimental demonstration of generation and measurement of sub-wavelength phase structure of a Bose-Einstein condensate (BEC) with two-dimensional optical lattice. This is implemented by applying a short lattice pulse on BEC in the… read more here.

Keywords: phase; sub wavelength; wavelength phase; structure ... See more keywords
Photo from wikipedia

Trapped air metamaterial concept for ultrasonic sub-wavelength imaging in water

Sign Up to like & get
recommendations!
Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-67454-z

Abstract: Acoustic metamaterials constructed from conventional base materials can exhibit exotic phenomena not commonly found in nature, achieved by combining geometrical and resonance effects. However, the use of polymer-based metamaterials that could operate in water is… read more here.

Keywords: ultrasonic sub; concept; sub wavelength; water ... See more keywords
Photo from academic.microsoft.com

Remote sub-wavelength focusing of ultrasonically activated Lorentz current

Sign Up to like & get
recommendations!
Published in 2017 at "Applied Physics Letters"

DOI: 10.1063/1.4981906

Abstract: We propose the use of a combination of ultrasonic and magnetic fields in conductive media for the creation of RF electrical current via the Lorentz force, in order to achieve current generation with extreme sub-wavelength… read more here.

Keywords: wavelength focusing; lorentz current; sub wavelength; focusing ultrasonically ... See more keywords