Results 41 to 50 of about 1,378,833 (339)

Polarization-Insensitive Transmissive Metasurfaces Using Pancharatnam–Berry and Resonant Phases in Microwave Band

Sensors, 2023
Most of the existing metasurfaces are effective for the incident wave with the specific circularly polarized (CP) or linearly polarized (LP) state, that is the polarization-sensitive metasurface.
Ling Wang, Yang Yang, Feng Gao, Shuhua Teng, Jinggui Zhang, Li Deng, Weijun Hong, Zhuofang Li   +7 more
doaj   +1 more source

Broadband with enhanced oblique incidence metamaterial absorber

Materials Research Express, 2020
In this paper, we present a broadband metamaterial absorber with excellent performances of oblique incidence and polarization insensitivity for enhancing the absorptance of electromagnetic waves at oblique incidence.
Xia Ma, Feng Tian, Xiaoyan Li, Liang Guo, Xiaojun Huang   +4 more
doaj   +1 more source

Polarization-Insensitive, High-Efficiency Metasurface with Wide Reception Angle for Energy Harvesting Applications

Sensors
This research presents an innovative polarization-insensitive metasurface (MS) harvester designed for energy harvesting applications at 5 GHz, capable of operating efficiently over wide reception angles.
Abdulrahman Ahmed Ghaleb Amer, Nurmiza Othman, Mohammed M. Bait-Suwailamn, Syarfa Zahirah Sapuan, Ali Ahmed Ali Salem, Adeb Salh   +5 more
doaj   +1 more source

Ultra-broadband mid-infrared absorber based on hyperbolic α-MoO3

Results in Physics, 2023
Owing to their broad operational bandwidth, broadband absorbers are extensively used in various applications, such as solar cells, microbolometers, and light modulators.
Jiaqi Zhu, Le Cheng, Jun Liang, Yanyu Zhao, Youning Gong, Yupeng Zhang, Guo Ping Wang   +6 more
doaj   +1 more source

MEMS Technology for Optical Switching

Walailak Journal of Science and Technology, 2012
Over the last ten years, microelectromechanical systems (MEMS) devices have received attention in many application areas such microwave, wireless, and optical networks. Especially in optical networks, MEMS technology is employed to provide the advantages
Kornkamol THAKULSUKANANT
doaj   +1 more source

Polarization-insensitive broadband omni-directional anti-reflection in ZnO nanoneedle array for efficient solar energy harvesting

, 2022
Broadband omni-directional anti-reflection characteristics have been an important issue because they can maximize the optical absorption in photovoltaic devices.
Choi, Hyeon-Seo, Ko, Minjee, Baek, Seong-Ho, Cho, Chang-Hee, Minjee Ko, Seong-Ho Baek, Hyeon-Seo Choi, Chang-Hee Cho   +7 more
core   +1 more source

Wearable Smart Patches on Sustainable Chitosan With Reversible Microbial Growth‐Inhibitory Properties

Advanced Functional Materials, EarlyView.
ABSTRACT Chitosan, a polysaccharide upcycled from biowaste, has long promised sustainable, biocompatible, and antimicrobial films and devices, an appeal reinforced by its recent regulatory recognition, with several chitosan‐based antibacterial dressings gaining clearance through the Food and Drug Administration's 510(k) pathway.
Jacopo Nicoletti, Kubra Kocak, Andrea Michel, Enrico Cavarzerani, Ali Raza, Petr Rohzin, Nouha Loudhaief, Saimir Frroku, Nicolò Baldovin, Hazrat Bilal, Alvise Perosa, Maurizio Selva, Flavio Rizzolio, Luca Sbuelz, Sabrina Tamburini, Domenico De Fazio, Giovanni Antonio Salvatore   +16 more
wiley   +1 more source

Polarization Insensitivity in Interdiffused, Strained InGaAs/InP Quantum Wells

, 1996
Theoretical results are presented showing how quantum well disordering affects the TE and TM absorption coefficient spectra of In0.53Ga0.47As/InP single quantum wells. An error function distribution is used to model the constituent atom composition after
Joseph Micallef, James L. Borg, Wai-Chee Shiu   +2 more
core   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

Toroidal‐Dipole‐Driven Polarization‐Selective Quasi‐BICs Enabling Wide‐Angle Near‐Field Image Display in Dielectric Metasurfaces

Advanced Physics Research
Polarization‐dependent optical components are crucial for advanced photonic information processing, yet conventional bound state in continuum (BIC) metasurfaces lack intrinsic polarization selectivity and angle insensitivity.
Xueheng Yan, Dewang Huo, Haiyang Huang, Yang Jiao, Wei Li, Zengfeng Di   +5 more
doaj   +1 more source