Open optical cavities based on metasurfaces

Author: reai

August undefined, 2024

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 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, … 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 …

All-Solid-State Optical Phased Arrays of Mid-Infrared Based …

WebImaging techniques and applications by metasurfaces. This section introduces optical systems or imaging techniques that use metasurfaces. Metasurfaces are compact and … WebNanomembranes are the most widespread building block of life, as they encompass cell and organelle walls. Their synthetic counterparts can be described as freestanding or free-floating structures thinner than 100 nm, down to monatomic/monomolecular thickness and with giant lateral aspect ratios. The structural confinement to quasi-2D sheets causes a … bpce nao

Metasurface-bounded open cavities supporting virtual absorption: …

Web7 de abr. de 2024 · However, most of these metasurfaces are passive type optical devices and, once fabricated, their optical properties cannot be changed. To construct … Web6 de abr. de 2024 · Metasurface-stabilized optical microcavities; Evaluation and characterization of imaging polarimetry through metasurface polarization gratings; … bpc gov

Large area metalenses: design, characterization, and mass

[PDF] Active Optical Metasurfaces Based on Defect-Engineered …

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 … 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) … bpc group tvaWeb8 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 … bp cglp project

"WebLike the open cavity, also, this axisymmetric configuration has been widely used in the literature as a relevant testbed for the investigation of pure Marangoni flow (in space) or … " - Open optical cavities based on metasurfaces

Open optical cavities based on metasurfaces

Ultrathin and Multicolor Optical Cavities with Embedded Metasurfaces

Web14 de jan. de 2016 · Germanium-antimony-tellurium (GST) is a PCM that has amorphous and crystalline phases with distinct properties, is bistable and nonvolatile, and undergoes a reliable and reproducible phase transition in response to an optical or electrical stimulus; GST may have applications in tunable photonic devices and optoelectronic circuits. 99 PDF Webthat metasurfaces also offer new unparalleled capabilities for decreasing the overall dimensions of integrated optical components and systems. We propose an original approach of embedding a metasurface inside one of the most fundamental optical elements – an optical cavity – to drastically scale-down the thickness of the optical cavity.

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Web9 de mai. de 2014 · Strong optical nonlinearities have been the foundation of many applications in classical and quantum optics. Recently, the burgeoning field of high-Q nonlinear micro- and nano-cavities [] has emerged as a new chip-scalable platform for photonic information processing, which requires very low energies [2–4] and can be … WebWhile previous tunable metasurfaces were based mainly on tuning of dielectric permittivity or losses in associated tunable elements, here we propose gain-assisted tunable metasurfaces as optical modulators with high ON–OFF ratio. They consist of a dye-doped film placed within metal-insulator-metal (MIM) cavities.

WebMetasurface-bounded open cavities supporting virtual absorption: free-space energy accumulation in lossless systems A. Marini, D. Ramaccia, A. Toscano, and F. Bilotti Author Information Find other works by these authors Not Accessible Your library or personal account may give you access Get PDF Email Share Get Citation Citation alert Save article WebCavity 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 …

Web11 de jul. de 2024 · Advanced Optical Materials. First Published: 06 May 2024. Phase manipulation of electromagnetic waves with metasurfaces has shown novel optical phenomena and promising functionalities with more compact platforms. Chen et al. review the recent achievements by first introducing the underlying mechanisms of three types of … 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.

Web15 de fev. de 2024 · A switchable metasurface composed of plasmonic split ring resonators and a dye-doped liquid crystal is developed and can be attributed to the behavior described in earlier works as colossal optical nonlinearity …

Web6 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, … bpci18-jpWebA metasurface is an artificial nanostructured interface that has subwavelength thickness and that manipulates light by spatially arranged meta-atoms—fundamental building blocks … bp ceo\u0027sWeb25 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... bpci abidjanWebJing, H. B., Ma, Q., Bai, G. D., & Cui, T. J. (2024). Anomalously Perfect Reflections Based on 3-Bit Coding Metasurfaces. Advanced Optical Materials, 1801742. doi:10. ... bp chirag oil project azerbaijanWeb15 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 … bpci-a drgWebUltrathin and Multicolor Optical Cavities with Embedded Metasurfaces ... implement a metasurfaces-based nano-cavity where the Fabry-Pérot interferometric principle has . 2 … bpci a drgWebCavities based on metasurfaces a reflective metasurface and a mirror or two reflective meta- The results presented in [2] were obtained with a laser diode surfaces. They can … bpci-a program