Results 71 to 80 of about 423,311 (317)
APL MaterialsOptical nonreciprocal devices are key components in photonic integrated circuits. Cerium-doped yttrium iron garnet (Ce:YIG) has been widely studied for nonreciprocal photonic devices in the telecommunication wavelength range.
Yucong Yang +11 more
doaj +1 more source
A new digital surface crack image monitoring technology for coal failure
Energy Science & Engineering, 2023 The experimental study on the variation law of coal fracture and stress was carried out in the laboratory and engineering fields, respectively. A multiparameter monitoring system including electromagnetic radiation and a high‐speed camera was built, and ...
Yankui Li +6 more
doaj +1 more source
Gravitational and electromagnetic emission by magnetized coalescing binary systems
, 2011 We discuss the possibility to obtain an electromagnetic emission accompanying the gravitational waves emitted in the coalescence of a compact binary system.
Capozziello, S. +4 more
core +1 more source
Advanced Functional Materials, EarlyView.This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva +9 more
wiley +1 more source
Laser-driven high-power X- and gamma-ray ultra-short pulse source
, 2008 A novel ultra-bright high-intensity source of X-ray and gamma radiation is suggested. It is based on the double Doppler effect, where a relativistic flying mirror reflects a counter-propagating electromagnetic radiation causing its frequency ...
A. G. Zhidkov +7 more
core +2 more sources
MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance
Advanced Functional Materials, EarlyView.Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley +1 more source
An Extraction Method of Weak Low-Frequency Magnetic Communication Signals Based on Multisensor
Journal of Electrical and Computer Engineering, 2015 It is a technical challenge to effectively remove the influence of magnetic noise from the vicinity of the receiving sensors on low-frequency magnetic communication. The traditional denoising methods are difficult to extract high-quality original signals
Chao Huang +5 more
doaj +1 more source
Design and Analysis of the Distributed Resistor-loading GPR Antenna with Reflected Cavity
Leida xuebao, 2015 In this study, we investigated the use of a half-ellipse dipole with distributed resistor-loading. By improving the structure of the antenna arms and using distributed resistor-loading technology, the current reflection at the end of dipole is ...
Wu Bing-heng, Ji Yi-cai, Fang Guang-you
doaj +1 more source
Coaxial phased array antenna [PDF]
, 1980 A coaxial antenna array for communicating circularly polarized electromagnetic radiation is disclosed. A pair of open ended antenna cavities is coaxially constructed and operates by excitation of linear radiation elements arranged within each of the ...
Ellis, H., Jr.
core +1 more source
Advanced Functional Materials, EarlyView.This study explores the benefits of metasurfaces made from functional materials, highlighting their ability to be adapted and improved for various high‐frequency applications, including communications and sensing. It first demonstrates the potential of these functional material‐based metasurfaces to advance the field of sub‐THz perceptive networks ...
Yat‐Sing To +5 more
wiley +1 more source