Results 121 to 130 of about 5,414 (280)

Nanofabrication platforms for metasurface optics: From prototyping to mass-production

Manipulating light using sub-wavelength scale structures (meta-atoms), once a purely theoretical concept for shorter electromagnetic wavelengths, has become achievable thanks to advances in high-end semiconductor manufacturing technology and their ...
Park, Joon-Suh
core  

Conception, fabrication and study of optical metasurfaces

Conception, fabrication et étude de métasurfaces optiques Les métasurfaces optiques sont des composants optiques composées d'un ensemble de nanostructures qui interagissent fortement avec la lumière, modifiant ainsi considérablement ses propriétés sur une épaisseur sub-longueur d'onde.
openaire   +2 more sources

Machine Learning‐Assisted Design and Performance Prediction of a Compact Dual‐Band Polarization‐Insensitive THz Metamaterial Absorber for Skin‐Cancer‐Related Refractive‐Index Sensing

Advanced Electronic Materials, EarlyView.
A compact QASRR‐based THz metamaterial absorber enables polarization‐insensitive dual‐band absorption and skin‐cancer‐related refractive‐index sensing through measurable resonance shifts. Field, surface‐current, and circuit analyses clarify the dual‐resonance mechanism, while StackNet‐assisted prediction accurately estimates the simulated absorption ...
Md. Murad Kabir Nipun, S. M. Rifatur Rana, Md. Golam Morshed, Imrose Jahan, F. A. Sabbir Ahamed, Md. Jahedul Islam   +5 more
wiley   +1 more source

Geometric metasurface fork gratings for vortex‐beam generation and manipulation

, 2016
In recent years, optical vortex beams possessing orbital angular momentum have received much attention due to their potential for high-capacity optical communications.
Yuan Cai, Kok Wai Cheah, Zhang, Shuang, Cai, Yuan, Shuang Zhang, Chen, Shumei, Li, Guixin, Guixin Li, Shumei Chen, Cheah, Kok Wai   +9 more
core   +1 more source

Femtosecond laser maskless direct writing of dual-band crosstalk-free information for all-in-one high-security encryption metasurface

Opto-Electronic Advances
Metasurface fabrication still faces critical processing challenges in balancing the structural order and disorder, achieving high-speed patterning, and extending material compatibility to refractory metals for operation under extreme conditions.
Hanmian Jiang, Zhuguo Li, Dongshi Zhang
doaj   +1 more source

Deep Learning‐Assisted Design of Mechanical Metamaterials

Advanced Intelligent Discovery, EarlyView.
This review examines the role of data‐driven deep learning methodologies in advancing mechanical metamaterial design, focusing on the specific methodologies, applications, challenges, and outlooks of this field. Mechanical metamaterials (MMs), characterized by their extraordinary mechanical behaviors derived from architected microstructures, have ...
Zisheng Zong, Pu Wen, Zhiping Chai, Dunxuan Wu, Han Ding, Zhigang Wu   +5 more
wiley   +1 more source

Metasurface inspired printed dual‑port MIMO antenna system with LP to CP conversion features for millimeter wave n260 band applications

Scientific Reports
A cutting-edge antenna system has been developed for new radio (NR) millimeter wave operating from 36.0 to 40.0 GHz frequency range 2 (FR 2) n260 band applications.
Anitha C, Vivek Singh, Ajay Kumar Dwivedi, Nagesh Kallollu Narayanaswamy   +3 more
doaj   +1 more source

Machine Learning Driven Inverse Design of Broadband Acoustic Superscattering

Advanced Intelligent Discovery, EarlyView.
Multilayer acoustic superscatterers are designed using machine learning to achieve broadband superscattering and strong sound insulation. By incorporating a weighted mean absolute error into the loss function, the forward and inverse neural networks accurately map structural parameters to spectral responses.
Lijuan Fan, Xiangliang Zhang, Ying Wu
wiley   +1 more source

Enhancing metasurface fabricability through minimum feature size enforcement

Nanophotonics
The metasurfaces have shown great potential for miniaturizing conventional optics while offering extended flexibility. Recently, there has been considerable interest in using algorithms to generate meta-atom shapes for these metasurfaces, as they offer ...
Terekhov Pavel, Chang Shengyuan, Rahman Md Tarek, Shafi Sadman, Ahn Hyun-Ju, Zhao Linghan, Ni Xingjie   +6 more
doaj   +1 more source

Versatile Standing Wave Generation Between Arbitrarily Oriented Surfaces Using Acoustic Metasurface Deflectors and Retroreflectors

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
A novel method for generating versatile standing wave fields using an acoustic metasurface deflector and retroreflector is introduced. By overcoming traditional constraints of parallel surfaces, the approach enables customizable wave patterns and enhances applications in particle manipulation.
Chadi Ellouzi, Farhood Aghdasi, Ali Zabihi, Amir K. Miri, Chen Shen   +4 more
wiley   +1 more source