Results 121 to 130 of about 1,705,952 (334)

Spectrally Tunable 2D Material‐Based Infrared Photodetectors for Intelligent Optoelectronics

Advanced Functional Materials, EarlyView.
Intelligent optoelectronics through spectral engineering of 2D material‐based infrared photodetectors. Abstract The evolution of intelligent optoelectronic systems is driven by artificial intelligence (AI). However, their practical realization hinges on the ability to dynamically capture and process optical signals across a broad infrared (IR) spectrum.
Junheon Ha, Yingshan Ma, Yong Nam An, Sung‐Un An, Hyeon Hak Jung, Suvi‐Tuuli Varjamo, Jiwon Yoo, Junho Min, Hanvit Kim, Faisal Ahmed, Sang Hoon Chae, Young Min Song, Weiwei Cai, Tawfique Hasan, Zhipei Sun, Dong‐Ho Kang, Hyeon‐Jin Shin, Yunyun Dai, Hoon Hahn Yoon   +18 more
wiley   +1 more source

Generation of Intense High-Order Vortex Harmonics

, 2014
This paper presents the method for the first time to generate intense high-order optical vortices that carry orbital angular momentum in the extreme ultraviolet region.
Shen, Baifei, Shi, Yin, Wang, Wenpeng, Wang, Xiaofeng, Xu, Jiancai, Xu, Zhizhan, Yi, Longqiong, Zhang, Lingang, Zhang, Xiaomei   +8 more
core   +1 more source

Shape‐Morphing Nanoengineered Hydrogel Ribbons as Hemostats

Advanced Functional Materials, EarlyView.
This study introduces a self‐assembling, shape‐morphing nanoengineered hydrogel ribbon system that rapidly forms porous aggregates in situ for efficient hemostasis in trauma and surgical applications. Abstract Rapid and effective hemorrhage control remains a major challenge in trauma and surgical care, particularly for complex or noncompressible wounds.
Ryan Davis Jr, Saptarshi Biswas, Jacob Aragon, Asaf Dana, Jasmine Sureka, Vaaridhi Ramanuja, Jeevika Thazhaiselvam, Sarah E. Miller, Taylor H. Ware, Akhilesh K. Gaharwar   +9 more
wiley   +1 more source

Fractional vortex ultrashort pulsed beams with modulating vortex strength

Optics Express, 2019
In most papers about the fractional vortex continuous beams (FVCBs), the relationship between the total vortex strength Sα and the propagation distance is not analyzed since the vortex structure is not stable in the near field. In this paper, we theoretically study the fractional vortex ultrashort pulsed beams (FVUPBs) possessing non-integer ...
Mengdi Luo, Zhaoying Wang
openaire   +2 more sources

Dual‐Functional Li2B4O7 Coating on Carbon Fibers for Enhanced Li+ Transport and Stability in Sulfide All‐Solid‐State Batteries

Advanced Functional Materials, EarlyView.
A dual‐functional Li2B4O7 coating on carbon fibers is designed to resolve the critical interfacial degradation in sulfide all‐solid‐state batteries. The conformal layer acts as a physical barrier to suppress parasitic reactions while its unique dielectric properties simultaneously facilitate Li+ transport.
Yeonghoon Kim, Chaeyeon Ha, Hansol Yu, Younghoon Jo, Taesun Song, Young‐Jun Kim   +5 more
wiley   +1 more source

Effects of Anisotropic Turbulent Ocean on Propagation of Asymmetric Bessel-Gaussian Beam

IEEE Photonics Journal
Aiming at the propagation of asymmetric vortex beam, we investigate the spreading and wander characteristics of asymmetric Bessel-Gaussian beam in oceanic turbulence. Based on the cross-spectral density and Wigner distribution function of beam field, the
Lin Yu, Zhecheng Zhang, Yixin Zhang, Lifa Hu   +3 more
doaj   +1 more source

Supersonic optical tunnels for Bose-Einstein condensates

, 2007
We propose a method for the stabilisation of a stack of parallel vortex rings in a Bose-Einstein condensate. The method makes use of a hollow laser beam containing an optical vortex. Using realistic experimental parameters we demonstrate numerically that
, B J Dabrowska-Wüster, Barceló C, Barceló C, Fetter A L, Landau L D, Landau L D, Leach J, Leonhardt U, Pethik C J, Roberts P H, S Wüster, Soskin M S, Visser M, Wüster S Savage C M   +14 more
core   +1 more source

High-efficiency broadband vortex beam generator based on transmissive metasurface.

Optics Express, 2019
Vortex beam has attracted growing attention in recent years due to its remarkable abilities in the communication system since it is believed to be an effective way to improve the channel capacity efficiency.
Shiwei Tang, Xike Li, W. Pan, Jun Zhou, Tao Jiang, Fei Ding   +5 more
semanticscholar   +1 more source

Vortex beam and its application in optical tweezers

Journal of Physics: Conference Series, 2020
Vortex beams are beams with a spiral phase distribution and zero central light intensity. In recent years, it has been widely studied and applied. This article first analyses the characteristics of the vortex beam from a theoretical perspective, and then
Chenliang Liu
semanticscholar   +1 more source

Living Liquid Metal Composites Embedded with Electrogenic Endospores for Next‐Generation Bioelectronics

Advanced Functional Materials, EarlyView.
A new class of living liquid metal composites is introduced, embedding Bacillus subtilis endospores into eutectic gallium–indium (EGaIn). The spores enhance droplet coalescence, strengthen interfacial conductivity, and provide on‐demand electrogenic functionality after germination. The composites exhibit high conductivity, self‐healing, patternability,
Maryam Rezaie, Yang Gao, Seokheun Choi
wiley   +1 more source