Results 51 to 60 of about 2,123,471 (302)

High-speed and broadband $$\upmu$$ μ TP-heterogeneously integrated InGaAs/GaAsSb photodetectors for next-generation optical interconnects

PhotoniX
As communication rates continue to increase and wavelength-division multiplexing (WDM) becomes ubiquitous, the conventional fiber-optic O and C bands no longer suffice.
Yan Liang, Yuxuan Wang, Faran Chang, Guanyu Li, Wenguang Zhou, Xiangbin Su, Xiaochen Li, Dongwei Jiang, Donghai Wu, Guowei Wang, Guang Qian, Yingqiang Xu, Zhichuan Niu, Youdou Zheng, Yi Shi   +14 more
doaj   +1 more source

Effects of [Zn_0.5Si_0.5]³⁺ Substitution on Microwave Dielectric Properties of ZnAl_2-x(Zn_0.5Si_0.5)_xO₄ Ceramics

Crystals
Microwave dielectric ceramics are indispensable in modern communication technologies, playing a pivotal role in components such as filters, oscillators, and antennas.
Xuekai Lan, Bairui Chen, Huatao Tang, Changzhi Yin, Bin Tian, Wen Lei   +5 more
doaj   +1 more source

A Split Ring Resonator-Based Metamaterial for Microwave Impedance Matching with Biological Tissue

Applied Sciences, 2020
A metamaterial lens based on a split ring resonator (SRR) array has been designed and optimized to improve the focusing and the penetration depth in human biological tissue of a microwave beam irradiated by a substrate integrated waveguide (SIW) cavity ...
Vincenza Portosi, Antonella Maria Loconsole, Francesco Prudenzano   +2 more
doaj   +1 more source

Anti‐Inflammatory and Neuroactive Effects of Polymer‐Coated Iron Oxide Nanoparticles Functionalized With Interleukin 4 for Spinal Cord Injury

Advanced Healthcare Materials, EarlyView.
Polymer‐coated IONPs functionalized with IL‐4 display respective neuroactive and anti‐inflammatory actions on neural progenitor cells and macrophages/microglia in vitro. When examined chronically in a rat experimental model of spinal cord injury, rGO scaffolds carrying these nanosystems adequately integrate into the lesion, significantly reduce ...
Julia Martínez‐Ramírez, Paloma Lozano‐Picazo, María de Lamo‐Atencia, Andrea Ferreras, Esther Benayas‐Martín, Elena Fernández‐López, Marina Sánchez‐Petidier, Verónica Barranco‐Maresca, Víctor Caz, Anne des Rieux, Juliana M. Rosa, María del Puerto Morales, María C. Serrano   +12 more
wiley   +1 more source

Microwave MEMS Devices Designed for Process Robustness and Operational Reliability [PDF]

, 2011
This paper presents an overview on novel microwave micro-electromechanical systems (MEMS) device concepts developed in our research group during the last 5 years, which are specifically designed for addressing some fundamental problems for reliable ...
Somjit, Nutapong,, Shah, Umer, Shah, Umer,, Räisäinen, Antti,, Sterner, Mikael,, Chicherin, Dmitry, Oberhammer, Joachim,, Sergey Dudorov, Antti Räisänen, Räisäinen, Antti, Chicherin, Dmitry,, Mikael Sterner, Umer Shah, Dudorov, Sergey,, Oberhammer, Joachim, Dmitry Chicherin, Sterner, Mikael, Dudorov, Sergey, Nutapong Somjit, Somjit, Nutapong, Joachim Oberhammer   +20 more
core   +1 more source

Design and construction of ferrite waveguide circulator with short wall in S band

The Journal of Engineering, 2023
One of the most important components in the radar and microwave industry that provides transmitting and receiving features for an antenna at the same time is called a circulator.
Hamid Reza Dalili Oskouei, Morteza Khoshcheshm, Morteza Mohammadi Shirkolaei, Ali Reza Mirtaheri   +3 more
doaj   +1 more source

Pressure‐Assisted Drug Delivery Using High‐Pressure Balloon Platform Improves Vascular Drug Penetration and Anti‐Restenotic Effects

Advanced Healthcare Materials, EarlyView.
A dual‐layer high‐pressure drug‐coated balloon (HP@DCB) increased balloon‐wall contact and promoted deeper paclitaxel (PTX) penetration than a conventional noncompliant DCB. In in vivo study, HP@DCB treatment improved luminal patency and reduced neointimal hyperplasia, supporting pressure‐assisted drug delivery as a promising strategy for enhancing the
Seung Jin Eo, So Yun Lim, Dong‐Sung Won, Ji Won Kim, Yubeen Park, Song Hee Kim, Hyemin Lee, Jung‐Min Ahn, Jun‐Kyu Park, Do‐Yoon Kang, Jung‐Hoon Park   +10 more
wiley   +1 more source

280–300 GHz SiGe‐InP hybrid‐integrated transmitter with 21.9 dBm EIRP and 10 Gbps data rate

IET Microwaves, Antennas & Propagation
In this paper, a 280–300 GHz hybrid‐integrated transmitter is proposed. The advantages of the SiGe and InP chips are fully made use by integrating these two chips. For low cost and high integration, the local oscillator chain and mixer are based on chips
Haiyan Lu, Jixin Chen, Pinpin Yan, Si‐Yuan Tang, Yu Zheng, Sidou Zheng, Wei Cheng, Yan Sun, Peigen Zhou, Long Chang, Longzhu Cai, Zhi Hao Jiang, Hongqi Tao, Tangsheng Chen, Wei Hong   +14 more
doaj   +1 more source

A direct synthesis method of multi‐port filtering power divider with arbitrary phase shift, power division and reference impedances

IET Microwaves, Antennas & Propagation, 2023
In this study, a direct synthesis approach is proposed to extract the coupling matrix of multi‐port filtering power divider (FPD) with arbitrary phase shift, power division as well as reference impedances, for the first time.
Gang Zhang, Minghan Shu, Kam Weng Tam, Wang Chen, Wanchun Tang, Jiquan Yang   +5 more
doaj   +1 more source

Single‐Chromophore Homojunction Organic Solar Cells: A Path to Simplicity and Efficiency

Advanced Materials, EarlyView.
This perspective discusses how the intrinsic optoelectronic properties of organic semiconductors, their molecular packing in the solid‐state, and internal energetic gradients within a device can enable free‐charge carrier generation in homojunction organic solar cells.
Shaun McAnally, Paul L. Burn, Paul E. Shaw   +2 more
wiley   +1 more source