Open optical cavities based on metasurfaces
Web5 de dez. de 2024 · The authors demonstrate an efficient platform for electrically driven reconfigurable metasurfaces by using Ge 2 Sb 2 Te 5 to realize non-volatile, reversible, multilevel, and fast optical ... Web15 de nov. de 2024 · In addition, the nano-cavities with embedded metasurfaces can support independently tunable resonances at multiple bands. As a proof-of-concept, using nano-structured metasurfaces within 100-nm nano-cavities, we experimentally demonstrate high spatial resolution color filtering and spectral imaging. The proposed …
Open optical cavities based on metasurfaces
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WebMetasurfaces can also be created by using ultrathin films of materials with large optical losses. By using the controllable abrupt phase shifts associated with reflection or transmission of light waves at the interface between lossy materials, such metasurfaces operate like optically thin cavities that strongly modify the light spectrum. Web9 de abr. de 2024 · Therefore, achieving both fast and large phase tuning becomes particularly challenging. Here, we address this issue by employing optical metasurfaces …
WebI am a post doctoral researcher at Karlsruhe Institute of Technology (KIT). My research is focused on light interaction with nanoparticles (scattering, coupling, and optical forces). My PhD thesis dealt with light interaction with a disordered arrangement of nanoparticles on a (meta-)surface. Possible applications will be in holograms, spatial light modulators, (meta … Web10 de abr. de 2024 · On one hand, light-controlled programmable metasurfaces can be used to realize optically-driven and optical-sensing EM devices for wireless tuning of functions, such as beam tuning, cloaking, absorbing, and nonlinear generation. 96-108 On the other hand, light-controlled programmable metasurfaces are able to realize …
Web21 de nov. de 2024 · We generalize the concept of open optical cavity using one or more reflective metasurfaces instead of two curved mirrors. We provide a simple … Web9 de abr. de 2024 · Therefore, achieving both fast and large phase tuning becomes particularly challenging. Here, we address this issue by employing optical metasurfaces of high-quality factor (high-Q) resonances. However, a full 2π phase modulation in such metasurfaces is generally accompanied by undesirable amplitude changes, which need …
Web17 de mai. de 2024 · Significance. Edge detection is a fundamental tool in image processing, computing, and machine vision. Compared with digital processes, optical …
Web8 de abr. de 2024 · A number of line energies were chosen based on results previously published by the authors [7] to deliberately tailor distinct surface features in pursuance of drawing a better outline on the effect of surface irregularities on the fatigue behavior of AlSi7Mg alloy obtained by L-PBF. 2.2 Laser Shock Peening (LSP) Once the cubic … poncho a tricoter femmeWebMay 1 2014. An optical cavity, or an optical resonator, may be described as an arrangement of mirrors that produce a standing light wave resonator. Optical cavities, … poncho a tricoter explications enfantsWebCavity optomechanics is a branch of physics which focuses on the interaction between light and mechanical objects on low-energy scales. It is a cross field of optics, quantum … poncho asymmetrical poncho knit patternWeb1 de jun. de 2024 · We investigate an anomalous scattering phenomenon exhibited by a lossless system based on metasurfaces. Electromagnetic energy is neither reflected … poncho aus schal nã¤henWebAdditionally, metasurfaces can be lithographically mass-produced, enabling miniature and multifunctional metasurface optical elements. Metalenses, as an example of metasurface optical elements, has attracted widespread attention and was hailed as one of the top ten emerging technologies of 2024 by the World Economic Forum and Scientific American. shantae harpy minecraft skinWebThe realization of an efficient optical sensor based on a photonic crystal metasurface supporting bound states in the continuum is reported. Liquids with different refractive indices, ranging from 1.4000 to 1.4480, are infiltrated in a microfluidic chamber bonded to the sensing dielectric metasurface. A bulk liquid sensitivity of 178 nm/RIU is achieved, … shantaeheroWebPlasmonics is a revolutionary concept in nanophotonics that combines the properties of both photonics and electronics by confining light energy to a nanometer-scale oscillating field of free electrons, known as a surface plasmon. Generation, processing, routing, and amplification of optical signals at the nanoscale hold promise for optical … poncho au tricotin