Results 161 to 170 of about 152,231 (175)

An Ultra‐Sub‐Wavelength Microwave Polarization Switching Antenna for Covert Communication Implemented With Directed Surface Acoustic Waves in an Artificial Multiferroic Magnonic Crystal

Advanced Materials Technologies, EarlyView.
A surface acoustic wave (SAW) launched in a two‐dimensional periodic array of magnetostrctive nanomagnets on a piezoelectric substrate excites spin waves in the nanomagnets which radiate electromagnetic waves in space. The polarization of the emitted beam in particular directions and at particular frequencies can be switched between horizontal and ...
Raisa Fabiha, Erdem Topsakal, Supriyo Bandyopadhyay   +2 more
wiley   +1 more source

Mode‐dependent Far‐field Radiation of Circularly Polarized Light by a Single Plasmonic Nanohelix

Advanced Optical Materials, Volume 13, Issue 8, March 13, 2025.
The numerical simulations explored the chiroptical response and far‐field radiation behaviors of single plasmonic nanoantennas transitioning into helical structures. This study highlights the ability of these plasmonic nanohelices to regulate the far‐field directionality of radiation power and circular polarization in plasmon‐exciton coupled systems ...
Yiou Cui, Yilin Chen, Jing Li, Shengyan Wang, Ruiqian Zhang, Zhongyi Chen, Huan Liu, Ximin Cui, Xihang Shi, Biye Xie, Xiaolu Zhuo   +10 more
wiley   +1 more source

Correlative Super‐Resolution Imaging of Cellular Nanopores Facilitated by Transparent Polymer Waveguide Chips

Advanced Optical Materials, Volume 13, Issue 8, March 13, 2025.
Correlative super‐resolution optical imaging of the ultrastructure of rat liver sinusoidal endothelial cells (LSECs) across a large field of view (FOV) with 3D structured illumination microscopy (3D‐SIM) and single‐molecule localization microscopy (SMLM), facilitated by a transparent polymer photonic waveguide chip, is presented.
Surjendu Bikash Dutta, Jasmin Celine Schürstedt‐Seher, Anders Kokkvoll Engdahl, Wolfgang Hübner, Stefan Belle, Karolina Szafranska, Peter McCourt, Ralf Hellmann, Mark Schüttpelz, Thomas Huser   +9 more
wiley   +1 more source

Optical Detection of Volatile Organic Compounds: A Review of Methods and Functionalized Sensing Materials

Advanced Optical Materials, EarlyView.
The focus on volatile organic compounds (VOCs) detection is dictated by the increasing awareness of their impact on human health. In addition, VOCs are increasingly considered novel for early diagnosis of diseases. Among various types of VOC sensor devices, optical detectors play an essential role, offering excellent versatility, fast response time ...
Aleksandra Hernik, Jorid Smets, Zhe Wang, Yuliya Semenova, Jin‐Chong Tan, Rob Ameloot, Izabela Naydenova   +6 more
wiley   +1 more source

3D Meta‐Atoms for High Confinement of Mid‐IR Radiation

Advanced Optical Materials, EarlyView.
Mid‐infrared, three‐dimensional circuit‐like resonators with extreme field confinement are experimentally demonstrated. Combining simulations, measurements, and analytical modelling, a physical interpretation and prediction of the resonant modes supported by the structure, including their resonant frequency and radiative and non‐radiative losses, is ...
Francesco Pisani, Usama Iqbal, Laure Tailpied, Baptiste Fix, Isabelle Sagnes, Yanko Todorov   +5 more
wiley   +1 more source

Enhanced THz Emission From Ultrathin Ta/Fe/Pt Spintronic Trilayers

Advanced Optical Materials, EarlyView.
Ultrathin Ta/Fe/Pt spintronic trilayers on MgO(100) substrates generate intense terahertz (THz) emission under femtosecond laser pulse excitation. Constructive interference of the emitted THz waves from Ta and Pt layers is maximized through crystallographic engineering of the Ta layer into a high‐resistivity fcc phase and optimization of the trilayer ...
Evangelos Th. Papaioannou, Laura Scheuer, Garik Torosyan, George P. Dimitrakopulos, Sławomir Kret, Alina D. Crisan, Ovidiu Crisan, René Beigang, Thomas Kehagias   +8 more
wiley   +1 more source

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Application of Image Filtering Technique Based on Bounded Mean Oscillation Model in Studying on Rice Grain Morphology

International journal of pattern recognition and artificial intelligence, 2020
This study constructed a bounded mean oscillation (BMO) filter via the BMO algorithm and anisotropic nonlinear partial differential equation (PDE) to both denoise and enhance the digital image of r...
Shan Hua
semanticscholar   +1 more source

Functions of Bounded Mean Oscillation and Quasisymmetric Mappings on Spaces of Homogeneous Type

Journal of Geometric Analysis, 2020
We establish a connection between the function space BMO\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength ...
Trang T. Nguyen, Lesley A. Ward
semanticscholar   +1 more source

Normal Trace for a Vector Field of Bounded Mean Oscillation

Potential Analysis, 2022
Yoshikazu Giga, Zhongyang Gu
semanticscholar   +1 more source

Closure of Analytic Functions of the Bounded Mean Oscillation in Logarithmic Bloch Spaces

Acta Mathematica Scientia, 2022
S. Ye, Zhihui Zhou
semanticscholar   +1 more source