Open optical cavities based on metasurfaces

WebI am pleased to announce that a PhD position is available at the Italian Institute of Technology (Genova, Italy) in my research group. Topic: Engineering… Web22 de dez. de 2024 · Meta-optics is based on subwavelength-patterned surfaces, called metasurfaces, which acquire optical functionalities through the scattering of nanoparticles rather than by refraction....

Electrically tunable all-dielectric optical metasurfaces based on ...

WebThe realization of an efficient optical sensor based on a photonic crystal metasurface supporting bound states in the continuum is reported. Liquids with different refractive … WebPlasmonics 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 … portrush street map https://chiriclima.com

Merging metasurfaces with microfluidics Nature Nanotechnology

WebTowards overcoming this limitation, we propose and demonstrate an open magneto-optical cavity containing a thin-film of yttrium iron garnet (YIG). We achieve a 0.1 pL (100 μ 𝜇 \mu italic_μ m 3 3 {}^{3} start_FLOATSUPERSCRIPT 3 end_FLOATSUPERSCRIPT ) optical mode volume, ∼ similar-to \sim ∼ 50 times smaller than previous devices. Web10 de abr. de 2024 · ABSTRACT. Spectral sensing is an emerging field driven by the need for fast and non-invasive methods for the chemical analysis of materials in agri-food, healthcare, and industrial applications. We demonstrate a near-infrared spectral sensor, based on a scalable fabrication process and combining high responsivity, narrow … 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 … optum and lhc

Ultrathin and multicolour optical cavities with embedded …

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Open optical cavities based on metasurfaces

(PDF) Omni-resonant optical micro-cavity - Academia.edu

Web25 de jul. de 2024 · Optical metasurfaces are arrays of optical antennas, with sub-wavelength size and separation. They represent an original concept of flat optics with no classical analogs. They allow for the... Web10 de jul. de 2024 · Optical cavities are the major components of lasers and other numerous interferometric optical devices, and minimizing the cavity dimensions below the diffraction limit is the key for many...

Open optical cavities based on metasurfaces

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Web20 de set. de 2024 · In this paper, multiple Fano resonances preferred in the refractive index sensing area are achieved based on sub-wavelength metal-insulator-metal (MIM) … 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 …

Web26 de set. de 2024 · The merging of metasurface optics with microfluidics is an exciting development that is poised to impact multiple fields including displays for wearables, augmented reality, holography,... 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 …

Web10 de jul. de 2024 · Optical cavities are the major components of lasers and other numerous interferometric optical devices, and minimizing the cavity dimensions below … Web7 de abr. de 2024 · The advent of metasurfaces, namely, engineered surfaces comprising a spatial arrangement of subwavelength unit structures or meta-atoms, gave rise to a new concept of flat optics owing to their ability to control …

WebMay 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, …

Web11 de abr. de 2024 · These crystals are based on optical materials and operate at microwave frequencies. They have the potential to amplify electromagnetic waves and improve the efficiency of wireless communication and laser technology. In this blog, we will explore the recent research on photonic time crystals and their potential applications in … optum and united healthcare partnershipportrush rentalsWeb6 de abr. de 2024 · Imine-based POCs feature cage cavities with ample imine/amine functionalities that can capture and confine metal nanoparticles efficiently with ultrafine size and unmatched dispersibility. In this regard, a series of palladium (Pd) nanoparticles of varying sizes (1.0 to 3.0 nm) have been synthesized (236−239) by solution impregnation, … optum annual wellness visitWeb21 de set. de 2024 · In this paper, we design a multifunctional micro-nano device with a hybrid metamaterial-waveguide system, which leads to a triple plasmon-induced transparency (PIT). The formation mechanisms of the three transparent peaks have their own unique characteristics. First, PIT-I can be switched into the BIC … optum annual conference 2023Web15 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 … portrush summer theatre 2022WebHermite-Gaussian Beams in Cavities Optical cavities have been studied extensively in literature7,9,20,21. When a well-defined propagation direction can be assigned to light, the paraxial wave equation applies. A set of solutions to the latter convenient for describing laser beams in free-space and cavities are Hermite-Gaussian beams. These portrush surf camWeb11 de abr. de 2024 · 2 optical structures in organisms for enhancing optical signals Luminescence exists in a series of organisms, such as marine organisms, plants, and insects. [ 35 - 38 ] Analysis and interpretation of these fluorescent signals can provide information about their physiological state, how species communicate with each other, … optum and navihealth