What are the current advances in the field of sensing using nanostructured dielectric disordered metasurfaces?
Best insight from top research papers
Current advances in the field of sensing using nanostructured dielectric disordered metasurfaces include the development of high-Q resonances based on various physical phenomena tailored by meta-atom geometric designs . These dielectric metasurfaces provide better repeatability, stability, and biocompatibility compared to plasmonic platforms . They have been applied to biochemical sensing using surface-enhanced Raman scattering (SERS) and surface-enhanced infrared absorption (SEIRA) due to the presence of a wide density of hotspots and confined optical modes within their structures . Dielectric metasurfaces also allow for the enhancement of the absorption capacity of solar light and the generation of catalytic active sites for surface reactions . Recent developments in nanofabrication methods have dramatically improved the performance of metasurfaces, making them suitable for commercial applications . All-dielectric metasurfaces have been successfully fabricated as sensing platforms, exhibiting multiple optical resonant modes and distinct field-confinement in the gaps of nanoparticles . These metasurfaces show characteristic wavelength shifts with variation of the refractive index, making them promising for high-sensitive sensing in the ultraviolet and visible wavelength .
Answers from top 4 papers
More filters
| Papers (4) | Insight |
|---|---|
32 Citations | The provided paper does not specifically mention "nanostructured dielectric disordered metasurfaces" or their current advances in the field of sensing. |
| The provided paper does not specifically mention "nanostructured dielectric disordered metasurfaces" or their advances in the field of sensing. | |
| The provided paper does not specifically mention "nanostructured dielectric disordered metasurfaces" or their current advances in the field of sensing. | |
| The paper does not specifically mention "nanostructured dielectric disordered metasurfaces" or any current advances in this field. |
Related Questions
What are the current advancements in the analysis and design of intelligent metasurfaces for biomedical applications?5 answersCurrent advancements in the analysis and design of intelligent metasurfaces for biomedical applications involve innovative approaches such as machine learning, neural networks, and holographic magnetic metasurfaces. These methods enable precise control over electromagnetic wavefronts. Metasurfaces offer unique capabilities in manipulating light properties in various dimensions like wavelength, polarization, and orbital angular momentum, leading to applications in imaging, communication, and biomedical sensing. The integration of deep learning algorithms facilitates the efficient design of complex metastructures, enhancing performance and enabling high-fidelity inverse designs for metasurfaces. These advancements hold promise for non-destructive sensing in biomedical fields, leveraging the rich optical properties of metasurfaces for enhanced applications in healthcare and diagnostics.
What are the current advances in the field of sensing using nanostructured disordered metasurfaces?5 answersRecent advances in the field of sensing using nanostructured disordered metasurfaces have shown promising results. These metasurfaces, consisting of densely packed plasmonic nanoclusters on a planar optical cavity, have been demonstrated to function as broadband absorbers or offer reconfigurable absorption bands across the visible region, enabling continuous wavelength-tunable photothermal conversion. Additionally, metasurfaces have been examined for surface-enhanced Raman scattering (SERS) and surface-enhanced infrared absorption (SEIRA) sensing, thanks to the presence of a wide density of hotspots and confined optical modes within their structures. Furthermore, metasurface-based micro/nano-optical sensors (MNOSs) have been developed, which utilize the physics and design flexibilities of metasurfaces to achieve high sensitivity and advanced functionalities, leading to highly integrated smart sensing platforms. These advancements in metasurface-based sensing technologies offer great potential for various applications, including biochemical sensing, photocatalysis, and energy harvesting.
What are the current advancements in the field sensing using optical metasurfaces made of nanoestructures?5 answersRecent advancements in the field of sensing using optical metasurfaces made of nanostructures have been significant. Optical metasurfaces have been developed for a wide range of applications, including optical imaging, wavefront engineering, holographic multiplexing, and optical field manipulation. These metasurfaces offer powerful multidimensional optical modulations at the subwavelength scale, allowing for precise control of electromagnetic waves. The development of metasurfaces has been supported by intelligent algorithms and advanced manufacturing technologies, enabling their compactness, versatility, and compatibility. In the field of sensing, metasurfaces have been used for biochemical sensing applications, with different configurations such as all-dielectric, all-metallic, and hybrid formations. These sensing devices based on metasurfaces provide exact control of electromagnetic wave properties and show great potential for commercial applications.
What are the current advancements in the field of DBRs photonic ?4 answersRecent advancements in the field of distributed Bragg reflectors (DBRs) photonic include the development of solution-based DBRs with high performance comparable to traditional deposition methods. Another advancement is the fabrication of porous anodic alumina (PAA)-based DBRs for mid-infrared (MIR) applications, with precise tuning of the photonic stopbands in the 3500-5500 nm range. Additionally, the spectral properties of DBR-based photonic crystal (DBR-PhC) structures have been studied for the near-infrared (NIR) range, aiming to simplify the structural complexity of optical filters and enable various optical filtering and sensing applications. Furthermore, a novel DBR-based resonant-cavity-enhanced (RCE) GeSn photodetector has been proposed for high-speed short-wave infrared (SWIR) photodetection, showing enhanced responsivity and bandwidth compared to existing devices. These advancements in DBRs photonic have paved the way for applications in light-emitting devices, photovoltaics, sensing, and high-speed tunable lasers for 5G and metro network upgrading.
What are the latest advances in dielectric characterization techniques?4 answersRecent advances in dielectric characterization techniques include the use of in-situ/operando and ex-situ/postmortem techniques for electrochemical capacitor characterization. Another technique involves the use of complex scattering parameters in a rectangular waveguide to determine the electrical properties of dielectric materials. The development of atomic force microscopy and other related techniques has allowed for high-resolution characterization of nanodielectrics, enabling the study of microscopic morphology, interfacial structure, domain behavior, and charge distribution in the nanometer region of dielectric materials. Additionally, a new instrumented microdevice utilizing coplanar waveguides in a microfluidic channel has been developed for the characterization of liquid media by dielectric spectroscopy. These advancements in dielectric characterization techniques have contributed to the improvement of device testing, prediction of dielectric materials, and efficient measurements of dielectric properties for various applications.
What are the latest advances in optic sensors?4 answersRecent advances in optic sensors include the development of fiber-optic extrinsic Fabry-Perot interferometers (EFPIs) for high-sensitivity sensing in various fields. These EFPI sensors can measure displacement-related quantities such as strain, force, tilt, vibration, acceleration, pressure, and acoustic signals. Nanoparticle-based sensors have also emerged as a promising tool for detecting pesticide residues in soil, offering simplicity of operation, high sensitivity, and low detection limits. Additionally, dual-mode optical sensors have been developed for food safety detection, integrating multiple signals to improve accuracy and reliability. These sensors have shown potential for primary food safety screening tests and quantitative assays, particularly in onsite contaminant monitoring. Overall, recent advancements in optic sensors have focused on enhancing sensitivity, expanding applications, and improving detection capabilities for various physical quantities and contaminants.