Results 21 to 30 of about 9,759 (256)

Real-Time Multi-User Video Optical Wireless Transmission Based on a Parallel Micro-LEDs Bulb

IEEE Photonics Journal, 2021
In this work, we experimentally achieved a real-time video optical wireless transmission which can broadcast two users in different positions, simultaneously.
Zixian Wei, Zhongxu Liu, Zhaoming Wang, Mutong Li, Chien-Ju Chen, Meng-Chyi Wu, Songping Mai, Faisal Nadeem Khan, Changyuan Yu, H. Y. Fu   +9 more
doaj   +1 more source

Impact of coupled ground wire interference on the precision of electric field sensors

iEnergy, 2023
Electric field measurement holds immense significance in various domains. The power supply and signal acquisition units of the sensor may be coupled with ground wire interference, which could result in reduced measurement accuracy. Moreover, this problem
Xinting Liu, Shilin Wu, Haoyu Ma, Huiquan Zhang, Ran Bi, Bing Tian, Qiancheng Lv, Jun Hu   +7 more
doaj   +1 more source

Isolated sensor networks for high-voltage environments using a single polymer optical fiber and LEDs for remote powering as well as data transmission [PDF]

Journal of Sensors and Sensor Systems, 2018
Many applications in high voltage or explosive environments require sensors which are electrically isolated from other components of a system. These sensors need remote powering as well as wireless or isolated data transmission links.
J. Fischer, T. Schuster, C. Wächter, M. Luber, J. Vinogradov, O. Ziemann, R. Engelbrecht   +6 more
doaj   +1 more source

Conversion Efficiency of 45.0% in InGaP/InGaAs/Ge Triple-Junction Solar Cells for Laser Power Beaming

Energies
Optical wireless power transmission systems are attracting attention as a new power transmission technology because they can supply power wirelessly over long distances.
Masahiro Koga, Shunsuke Shibui, Nozomi Matsuoka, Tomoya Sudo, Shiro Uchida   +4 more
doaj   +1 more source

Mine emergency communication system

Gong-kuang zidonghua, 2019
Feasibility of using existing mine communication system as emergency communication system was analyzed. Leakage communication system, inductive communication system, multi-base station mobile communication system, broadcast communication system and ...
Mine emergency communication system
doaj   +1 more source

Simulation analysis of underwater wireless optical communication based on Monte Carlo method and experimental research in complex hydrological environment

AIP Advances, 2023
This paper aims to address the challenges of short optical communication distances and high Bit Error Rates (BERs) caused by seawater absorption, scattering, and underwater turbulence.
Yanru Ren, Min Zhu, Ke Cui, Longxian Li, Shengao Wang   +4 more
doaj   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source

Multi-channel Optical Wireless Communication under the Effect of Low Electric Field

Al-Mustansiriyah Journal of Science, 2022
In this study, the multiple-input multiple-output (MIMO) technique is proposed to mitigate the influence of an external electric field on the free space optical (FSO) communication.
Noor Wisam Sabri, Firas S. Mohammed
doaj   +1 more source

Self‐Sintering Ionogel Binder for Flexible, Recyclable, and Healable Printed Giant Magnetoresistive Sensors

Advanced Functional Materials, EarlyView.
ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo, Xiaotao Wang, Guannan Mu, Proloy Taran Das, Igor Veremchuk, Conrad Schubert, Aaron D. Cross, Yevhen Zabila, Xuan Peng, Larysa Baraban, Denys Makarov   +10 more
wiley   +1 more source

Dual-Hop Underwater Optical Wireless Communication System With Simultaneous Lightwave Information and Power Transfer

IEEE Photonics Journal, 2021
The most significant challenge of underwater optical wireless communication (UOWC) system is to overcome its limited coverage. To expand the achievable communication range, we investigate the performance of the dual-hop UOWC system with simultaneous ...
Kuan Ye, Cong Zou, Fang Yang
doaj   +1 more source