Accelerating Cross‐Scenario Metasurface Adaptability with Plug‐and‐Play Kernel DOI

Nanxuan Wu,

Chao Qian,

Zhedong Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 30, 2025

Abstract The adaptivity of metasurfaces depicts an important behavior dynamically adjusting their internal properties to adapt changing environments and cater various demands. In spite the proliferation intelligence‐driven metasurfaces, they still lack analogical reasoning execute cross‐scenario tasks due random unpredictable scattering events. Here, a compatible plug‐and‐play scheme is proposed assist from one another environment. Unlike conventional step‐by‐step training, such enables rapid establishment reliable neural networks with physical interpretability by integrating past experience into package kernel. Taking invisibility cloak as demonstration, fully intelligent system set up, carried out three‐stage adaptability validation: point‐to‐point, path‐to‐path, scene‐to‐scene, suggesting substantial speed improvement compared direct learning. Furthermore, capitalizing on resonant kernel successfully extended broadband performance relative bandwidth 50%. work provides powerful easy‐to‐access recipe for advancing in new even unknown fosters shining bloom adaptive meta‐devices.

Language: Английский

Lignin‐Derived Lightweight Carbon Aerogels for Tunable Epsilon‐Negative Response DOI
Yunpeng Qu, Yunlei Zhou,

Qiuyun Yang

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(26)

Published: May 7, 2024

Abstract Electromagnetic (EM) metamaterials have garnered considerable attention due to their capacity achieve negative parameters, significantly influencing the integration of natural materials with artificially structural media. The emergence carbon aerogels (CAs) offers an opportunity create lightweight EM metamaterials, notable for promising shielding or absorption effects. This paper introduces efficient, low‐cost method fabricating CAs without requiring stringent drying conditions. By finely tuning ZnCl 2 /lignin ratio, porosity is controlled in CAs. control leads epsilon‐negative response radio‐frequency region, driven by intrinsic plasmonic state 3D network, as opposed traditional periodic building blocks. approach yields a tunable and weakly response, reaching order magnitude −10 3 under MHz frequencies. Equivalent circuit analysis highlights inductive characteristics CAs, correlating significant dielectric loss at low Additionally, simulations are performed evaluate distribution electric field vector showcasing potential effective shielding. lignin‐derived, hold promise pioneering new directions broadening application diverse extreme

Language: Английский

Citations

39

Wearable biosensors for cardiovascular monitoring leveraging nanomaterials DOI
Xuxu Chen, Farid Manshaii,

Karley Tioran

et al.

Advanced Composites and Hybrid Materials, Journal Year: 2024, Volume and Issue: 7(3)

Published: May 27, 2024

Language: Английский

Citations

16

Optical Metasurfaces for Biomedical Imaging and Sensing DOI
Hongyoon Kim, H.K. Yun,

Sebin Jeong

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

Optical metasurfaces, arrays of nanostructures engineered to manipulate light, have emerged as a transformative technology in both research and industry due their compact design exceptional light control capabilities. Their strong light–matter interactions enable precise wavefront modulation, polarization control, significant near-field enhancements. These unique properties recently driven application biomedical fields. In particular, metasurfaces led breakthroughs imaging technologies, such achromatic imaging, phase extended depth-of-focus imaging. They also advanced cutting-edge biosensing featuring high-quality factor resonators As the demand for device miniaturization system integration increases, are expected play pivotal role development next-generation devices. this review, we explore latest advancements use applications, with particular focus on sensing. Additionally, discuss future directions aimed at transforming field by leveraging full potential provide compact, high-performance solutions wide range applications.

Language: Английский

Citations

5

3D Intelligent Cloaked Vehicle Equipped with Thousand‐Level Reconfigurable Full‐Polarization Metasurfaces DOI
Zhedong Wang, Chao Qian,

Pujing Lin

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)

Published: May 27, 2024

Abstract A crucial aspect in shielding a variety of advanced electronic devices from electromagnetic detection involves controlling the flow waves, akin to invisibility cloaks. Decades ago, exploration transformation optics heralded dawn modern cloaks, which has stimulated immense interest across various physical scenarios. However, most prior research is simplified low‐dimensional and stationary hidden objects, limiting their practical applicability dynamically changing world. This study develops 3D large‐scale intelligent cloak capable remaining undetectable even non‐stationary conditions. By employing thousand‐level reconfigurable full‐polarization metasurfaces, this work achieved an exceptionally high degree freedom sculpting scattering waves as desired. Serving core computational unit, hybrid inverse design enables cloaked vehicle respond real‐time, with rapid reaction time just 70 ms. These experiments integrate perception‐decision‐control‐execution system evaluate its performance under random static positions dynamic travelling trajectories, achieving background matching up 93.3%. findings establish general paradigm for next generation meta‐devices real‐world settings, potentially paving way era “Electromagnetic Internet Things.”

Language: Английский

Citations

14

Advances in Machine Learning for Wearable Sensors DOI
Xiao Xiao, Junyi Yin, Jing Xu

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(34), P. 22734 - 22751

Published: Aug. 15, 2024

Recent years have witnessed tremendous advances in machine learning techniques for wearable sensors and bioelectronics, which play an essential role real-time sensing data analysis to provide clinical-grade information personalized healthcare. To this end, supervised unsupervised algorithms emerged as powerful tools, allowing the detection of complex patterns relationships large, high-dimensional sets. In Review, we aim delineate latest advancements sensors, focusing on key developments algorithmic techniques, applications, challenges intrinsic evolving landscape. Additionally, highlight potential machine-learning approaches enhance accuracy, reliability, interpretability sensor discuss opportunities limitations emerging field. Ultimately, our work aims a roadmap future research endeavors exciting rapidly area.

Language: Английский

Citations

13

Silicon/carbon nanotubes anode for lithium-ion batteries: Synthesis, interface and electrochemical performance DOI

Xiaobei Guo,

Zhongtang Yang,

Wei Wang

et al.

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 48, P. 104223 - 104223

Published: April 5, 2024

Language: Английский

Citations

10

Triboelectric nanogenerators for self-powered neurostimulation DOI
Shumao Xu, Farid Manshaii, Xiao Xiao

et al.

Nano Research, Journal Year: 2024, Volume and Issue: 17(10), P. 8926 - 8941

Published: June 20, 2024

Language: Английский

Citations

9

Unleashing the Potential of Electroactive Hybrid Biomaterials and Self-Powered Systems for Bone Therapeutics DOI Creative Commons
Shichang Liu, Farid Manshaii, Jinmiao Chen

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Oct. 17, 2024

The incidence of large bone defects caused by traumatic injury is increasing worldwide, and the tissue regeneration process requires a long recovery time due to limited self-healing capability. Endogenous bioelectrical phenomena have been well recognized as critical biophysical factors in remodeling regeneration. Inspired bioelectricity, electrical stimulation has widely considered an external intervention induce osteogenic lineage cells enhance synthesis extracellular matrix, thereby accelerating With ongoing advances biomaterials energy-harvesting techniques, electroactive self-powered systems biomimetic approaches ensure functional recapitulating natural electrophysiological microenvironment healthy tissue. In this review, we first introduce role bioelectricity endogenous electric field summarize different techniques electrically stimulate Next, highlight latest progress exploring hybrid such triboelectric piezoelectric-based nanogenerators photovoltaic cell-based devices their implementation engineering. Finally, emphasize significance simulating target tissue's propose opportunities challenges faced bioelectronics for repair strategies.

Language: Английский

Citations

9

Dispersive Sweatt Model for Broadband Lens Design with Metasurfaces DOI Creative Commons

W. T. Chen,

Ko-Han Shih, C. Kyle Renshaw

et al.

Photonics, Journal Year: 2025, Volume and Issue: 12(1), P. 43 - 43

Published: Jan. 6, 2025

The Sweatt model has been extensively used to design optical systems containing diffractive elements (DOEs) because it captures the dispersive characteristics of DOEs. We introduce a new (DSM) that can describe meta-atom (MA) dispersion, which material and geometric contributions in addition diffraction. It uses wavelength-dependent scalar coefficient modify dispersion given MA basis. This provides robust framework metasurface (MS) while including their unique properties optimization. Importantly, DSM is based on ray optics enables MS-containing using conventional software such as Zemax Code V. use demonstrate hybrid refractive/MS achromatic doublet for midwave infrared (MWIR) band. example includes multiple wavelengths field angles during optimization demonstrates excellent agreement between real lens performance modeled wave optics. discuss limits present simple predict due phase mismatch at Fresnel zone boundaries.

Language: Английский

Citations

1

Optical chirality in MXene nanoantenna arrays DOI
Vahid Karimi, Viktoriia E. Babicheva

MRS Advances, Journal Year: 2024, Volume and Issue: 9(9), P. 557 - 564

Published: May 22, 2024

Language: Английский

Citations

5