Results 71 to 80 of about 438,669 (294)

X-Band Waveguide Mechanical Damper Enabled by 3D Printed Flexible Corrugations and Dielectric Loaded Chokes

open access: yesIEEE Access
In modern Radio Frequency (RF) systems, long waveguide chains are routed as transmission lines to connect the RF source to the antenna. These systems are subjected to mechanical shock and vibration, along with undesired thermal expansion during ...
Jie Xiang Chia, King Ho Holden Li
doaj   +1 more source

Recent Advances in Transparent Microelectrode Device Architecture and Fabrication Strategies for Biomedical Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Transparent microelectrode arrays enable simultaneous optical and electrical electrophysiology with high spatiotemporal resolution, allowing multimodal observations of dynamic biological systems. Advances in materials and device architectures improve device performance by addressing key trade‐offs between optical transparency, impedance, and ...
Michael Abraham Listyawan   +6 more
wiley   +1 more source

High-power and ultra-efficient operation of a 946nm Nd:YAG planar waveguide laser [PDF]

open access: yes, 2009
A high-power and ultra-efficient 946nm Nd:YAG double-clad planar waveguide laser is reported. The laser produced 35W of output for 68W of incident pump power with a corresponding slope efficiency of 57%
Meissner, H.E.   +3 more
core   +1 more source

Copper Electroplated TPMS Polymer Lattices for Lightweight Absorption Dominant Electromagnetic Interference Shielding

open access: yesAdvanced Materials Technologies, EarlyView.
Copper electroplating transforms lightweight 3D‐printed TPMS polymer lattices into effective electromagnetic shields. Topology, relative density, and conductive seed layer continuity govern copper penetration, electrical resistance, and attenuation. SEA consistently exceeds SER, while 35% RD Diamond lattice gives the best performance, reaching 48.72 dB
Aman Al Khatib   +6 more
wiley   +1 more source

Substrate Integrated Waveguide Antenna Applications [PDF]

open access: yes, 2015
The research objective of this thesis is to provide a better solution for signal interference and reduce the size of waveguide antenna. The background investigations of different waveguide fabrication technologies and switch control methods are detailed ...
WU, LIANG
core  

Analysis of Loaded Substrate Integrated Waveguides and Attenuators [PDF]

open access: yes, 2013
This letter provides an approximate analysis of a slotted substrate integrated waveguide with periodic loading elements using the transverse resonance technique.
Xu, Ruo Feng   +2 more
core   +1 more source

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo   +2 more
wiley   +1 more source

NEW WAVEGUIDE METHOD FOR DIELECTRIC PARAMETER MEASUREMENT

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2018
Perfect knowledge of dielectric parameters is necessary for its application in various devices. In spite of the whole range of measurement techniques, their practical implementation in the microwave frequency band runs into some difficulties.
Andrey D. Grigoriev
doaj   +1 more source

Interconnect Between a Waveguide and a Dielectric Waveguide Comprising an Impedance Matched Dielectric Lens [PDF]

open access: yes, 2016
A lens for interconnecting a metallic waveguide with a dielectric waveguide is provided. The lens may be coupled a metallic waveguide and a dielectric waveguide, and minimize a signal loss between the metallic waveguide and the dielectric ...
Chattopadhyay, Goutam   +3 more
core  

Polymer multimode waveguide optical and electronic PCB manufacturing [PDF]

open access: yes, 2009
The paper describes the research in the £1.3 million IeMRC Integrated Optical and Electronic Interconnect PCB Manufacturing (OPCB) Flagship Project in which 8 companies and 3 universities carry out collaborative research and which was formed and is ...
Selviah, D.R., David R. Selviah
core   +1 more source

Home - About - Disclaimer - Privacy