2024 Infrared all-dielectric kerker metasurfaces

Infrared all-dielectric kerker metasurfaces

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August undefined, 2024

Webb25 maj 2024 · Invisibility and perfect absorption of all-dielectric metasurfaces originated from the transverse Kerker eﬀect Hadi K. Shamkhi 1 , Andrey Sayanskiy 1 , Adri` a … WebbWe reveal that an isotropic, homogeneous, subwavelength particle with high refractive index can produce ultra-small total scattering. This effect, which follows from the inhibition of the electric dipole radiation, can be identified as a Fano

Suppression of scattering for small dielectric particles: anapole …

Webb1 nov. 2024 · Abstract. Infrared metasurface, especially that having a working range covering wavelengths from 0.75 to 25 μm, has been exploited as a revolutionary tool to … Webb9 dec. 2024 · Tunable all-dielectric infrared Huygens’ metasurfaces consisting of multi-layer Ge disk meta-units with strategically incorporated non-volatile phase change material Ge 3Sb 2Te 6are introduced. makita battery whipper snipper bunnings

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Webb11 apr. 2024 · All-dielectric metasurfaces have been attracting much attention. Low optical losses and a huge variety of optical modes provide unique possibilities for light manipulation at the nanoscale. Webb31 maj 2024 · Title: All-dielectric metasurface absorbers for uncooled terahertz imaging Full Record References (21) Cited by (29) Other RelatedResearch Abstract Imaging in the terahertz (THz) range of the electromagnetic spectrum is difficult owing to the lack of high-power sources and efficient detectors. Webb22 juni 2024 · Four experimental cases are investigated which span electromagnetic response ranging from Huygens surfaces with transmissivity T = 94%, and phase Φ S21 = 235°, to metasurfaces which absorb 99.96% of incident energy. We find perfect absorption to be analogous to the driven damped harmonic oscillator, with critical … makita battery tools review

Role of loss in all-dielectric metasurfaces (Journal Article) DOE …

www.afm-ournal.de All-Dielectric Programmable Huygens’ Metasurfaces

Webb10 apr. 2024 · Download Citation Asymmetric transmission in nanophotonics In a reciprocal medium, transmission of electromagnetic (EM) waves is symmetric along opposite directions which restrict design and ... Webb14 nov. 2024 · In this paper, we propose and design an optical filter with a high working efficiency in the mid-infrared (mid-IR) range, based on an all-dielectric metasurface … makita.be gratis accuWebb1 jan. 2024 · One recent example lies in novel Huygens’ metasurfaces and metadevices that rely on the suppression of backward scattering due to the interference of electric and magnetic dipole modes (that is, due to the first Kerker condition). Such dielectric metasurfaces, in marked contrast to plasmonic metasurfaces, offer very high … makita bdf452 18v cordless drill

"The unidirectional scattering of electromagnetic waves in the backward and forward direction, termed Kerkers’ first and second conditions, respectively, is a prominent feature of sub-wavelength particles, which also has been found recently in all-dielectric metasurfaces. Here we formulate the exact polarizability requirements necessary to achieve both Kerker conditions simultaneously with ... " - Infrared all-dielectric kerker metasurfaces

Infrared all-dielectric kerker metasurfaces

Lattice resonances of lossy transition metal and metalloid …

Webb5 nov. 2024 · Using silicon as the high-index dielectric, an experimental Q-factor of 728 is realized at a wavelength of 1505 nm, which is one of the highest values reported in the near infrared using a ... Webb10 mars 2024 · Nowadays, the Kerker effect plays a crucial role in dielectric nanophotonics, giving rise to a variety of fully transparent phase-tailoring "Huygens" …

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Webbinfrared: [adjective] situated outside the visible spectrum at its red end. Webb31 maj 2024 · We further describe the perfect absorption mechanism in all-dielectric metasurfaces through development of an extended Kerker formalism. The …

Webb19 dec. 2024 · Shamkhi, H. K. et al. Transverse scattering and generalized kerker effects in all-dielectric mie-resonant metaoptics. Phys. Rev. Lett. 122, 193905 (2024). Article ADS CAS Google Scholar Shamkhi, H. K. et al. Transparency and perfect absorption of all-dielectric resonant metasurfaces governed by the transverse kerker effect. Phys. Rev. Webb17 aug. 2024 · Many emerging metasurface applications, including light detection and ranging (LiDAR), require dynamic wavefront control of light. Dynamic wavefront shaping can be obtained by integration of actively tunable materials into the building blocks of metasurfaces, which allows for real-time control over the intrinsic properties of the …

Webb10 apr. 2024 · We perform both full-wave electromagnetic simulations and proof-of-concept experimental characterization in the near-infrared range, ... The subsequent drop in reflection can be attributed to the Kerker ... G.W. Castellanos, P. Bai, J. Gómez Rivas, Lattice resonances in dielectric metasurfaces. J. Appl. Phys. 125(21), 213105 (2024 ... WebbRecently, all-dielectric metasurfaces composed of multiple microscale scatterers, which split and focus light in four or six different polarization bases, were reported with high transmission to realize full-Stokes detection of incident light [11,29 –31].

Webb13 apr. 2024 · Structural colors based on all-dielectric metasurfaces hold great promise for a wide range of applications, including high-density optical storage, ultra-high …

WebbPlasmonic applications are based on the optical processes that occur in nanostructures incorporating materials with negative permittivity and free-career oscillations. These processes involve coupling of light and the collective oscillation of electrons (known as plasmons) at the metal–dielectric interface. makita battery with chargerWebb16 apr. 2024 · Shalaev, M. I. et al. High-efficiency all-dielectric metasurfaces for ultracompact beam manipulation in transmission mode. Nano Lett. 15 , 6261–6266 … makita bhr200 24v cordless sdsWebb19 aug. 2024 · Dielectric metasurfaces allow us to realize many unique effects in optics, and they can serve as the building blocks of the modern photonic technologies. Here, … makita bitset impact black-bit-setWebbWe further describe the perfect absorption mechanism in all-dielectric metasurfaces through development of an extended Kerker formalism. The phenomena of both … makita bitfix hr2470 boorhamerWebb12 mars 2024 · Tunable all-dielectric infrared Huygens' metasurfaces consisting of multi-layer Ge disk meta-units with strategically incorporated non-volatile phase change … makita biscuit joiner kit with carrying caseWebb18 mars 2024 · DOE PAGES ® Journal Article: Infrared all-dielectric Kerker metasurfaces ® Journal Article: Infrared all-dielectric Kerker metasurfaces makita bhx garden blower vacuum accessoriesWebb5 mars 2024 · The proposed metasurface for efficient light absorption. It is constructed from silicon parallelepipeds with the height of 214 nm, the base edge of 260 nm and the lattice constant of 400 nm, on a... makita big bore compressor parts