Results 101 to 110 of about 13,985 (315)

Millimeter Wave Antenna for Intelligent Transportation Systems Application

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
A compact broadband millimeter wave antenna for intelligent transportation (ITS) application is proposed in this paper. This antenna uses coplanar wave guide feeding technique for broad bandwidth.
N. Kishore, G. Upadhyay, A. Prakash, V. S. Tripathi   +3 more
doaj   +1 more source

A Broadband THz On-Chip Transition Using a Dipole Antenna with Integrated Balun [PDF]

, 2018
Wonseok Choe, Jinho Jeong
openalex   +1 more source

Arm‐Length‐Controlled CsPbBr3 Nanocrystals for Tunable Optical and Assembly Behavior

Advanced Materials, EarlyView.
In this work, the synthesis parameters that dictate the formation of armed CsPbBr3 nanocrystals are described, and routes enabling precise control over arm length are proposed. Direct links between morphology and optoelectronic behavior are established.
Irina Skvortsova, Sudipta Seth, Juliette Zito, Robin Girod, Bob Van Hout, Annick De Backer, Tom Stoops, Sergey Abakumov, Evgenii Vlasov, Tejmani Behera, Sandra Van Aert, Elke Debroye, Johan Hofkens, Sara Bals   +13 more
wiley   +1 more source

Chromatic‐Invariant Photothermal Fabrics Enabled by Narrow‐Bandgap Organic Semiconductors for Wearable Solar Energy Harvesting

Advanced Materials, EarlyView.
A chromatic‐invariant photothermal fabric is fabricated for outdoor activewear, realizing 4°C–8°C heating within 5 min under 1000 W m−2 illumination via NIR absorption, retaining high visible‐light reflectivity and original fabric functions, and achieving >95.3% sterilization in 20 min.
Jingshuai Zhu, Jianming Chen, Shiyu Liao, Jiaxin Zheng, Shiguo Chen, Yuanfeng Wang, Xungai Wang   +6 more
wiley   +1 more source

SCRLH-TL Based Sequential Rotation Feed Network for Broadband Circularly Polarized Antenna Array [PDF]

Radioengineering, 2016
In this paper, a broadband circularly polarized (CP) microstrip antenna array using composite right/left-handed transmission line (SCRLH-TL) based sequential rotation (SR) feed network is presented.
B. F. Zong, G. M. Wang, H. Y. Zeng, Y. W. Wang, D. Wang   +4 more
doaj  

Republication of: Electromagnetically coupled broadband gravitational antenna [PDF]

, 2022
Rainer Weiß
openalex   +1 more source

An Energy Focusing Flexible and Lightweight Acoustic Metamaterial for Enhanced Ultrasound Power Transfer

Advanced Materials, EarlyView.
A flexible and lightweight acoustic metamaterial composed of air cavities encased in polydimethylsiloxane (PDMS) is introduced to enhance ultrasound power transfer. The metamaterial leverages the strong reflectivity of air cavity boundaries to concentrate incoming ultrasound, thereby improving the performance of piezoelectric energy harvesters ...
Hyung‐Suk Kwon, Ziqi Yu, Xiaopeng Li, Ercan M. Dede, Taehwa Lee   +4 more
wiley   +1 more source

Miniaturized Broadband Bi-Yagi Antenna Array for Ambient RF Energy Harvesting [PDF]

, 2023
Zaed S. A. Abdulwali, Ali H. Alqahtani, Yosef T. Aladadi, Majeed A. S. Alkanhal, Yahya M. Al‐Moliki, Khaled Aljaloud, Mohammed T. Alresheedi   +6 more
openalex   +1 more source

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

Advanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song, Peiqi Niu, Wenxi Gu, Chun Lam Clement Chan, Jiuhong Yi, Xu Liu, Peng Tan, Chon In Haydn Cheong, Qingwen Guan, Dan Fang, Bingpu Zhou, Zi Liang Wu, Ji Liu, Yan Yan Shery Huang, Iek Man Lei   +14 more
wiley   +1 more source