Infrared all-dielectric kerker metasurfaces
WebbMedium Wave (Or Medium or Middle Infrared, or IR-B). 1.5 to 3 microns: covers the high hundreds to mid-hundreds of degrees Centigrade. Longwave Infrared (Or Far Infrared, … 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 ...
Infrared all-dielectric kerker metasurfaces
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Webb5 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... 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" …
Webb12 mars 2024 · Tunable all-dielectric infrared Huygens' metasurfaces consisting of multi-layer Ge disk meta-units with strategically incorporated non-volatile phase change … Webb22 feb. 2024 · Herein, we study 2D periodic Ge metasurfaces that support optically induced electric dipole and magnetic dipole lattice resonances. By overlapping Mie …
WebbHere, we propose low-loss all-dielectric metasurfaces, comprised of a monolayer of titanium dioxide (TiO 2) nanoparticles, to achieve perfect reflection band at visible … Webb7319 Sandscove Ct. #4. Winter Park, FL 32792. Phone: 407.679.5101. Fax: 407.679.5520. [email protected]. At Infrared Systems Development Corporation we offer …
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.
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. they\\u0027re okWebb17 maj 2024 · All-dielectric resonant nanophotonics lies at the heart of modern optics and nanotechnology due to the unique possibilities to control scattering of light from high … saffron walden bridal shopWebb9 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. they\u0027re olWebbOptically thin perfect light absorbers could find many uses in science and technology. However, most physical realizations of perfect absorption for the optical range rely on … saffron walden bus 34Webb13 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-resolution 3D displays, imaging security certification, and so on. However, achieving dynamic tunable structural color with a compact and simple Si platform remains a great challenge. Here, … they\\u0027re olThe 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 ... saffron walden branchWebbWe 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 they\u0027re okay