Results 51 to 60 of about 25,421 (250)
Purcell gain equalized zero-mode waveguide
Scientific ReportsWe refresh the design of zero-mode waveguides (ZMWs) by introducing metamaterials that makes the zeroth order resonant mode existence. Of particular importance, the resulting electromagnetic field exhibits nearly constant distribution but not a trivial ...
Tang-Chun Liu +4 more
doaj +1 more source
One‐Step Curcumin‐Mediated Multiphoton Lithography for Bioactive 3D Scaffolds
Advanced Functional Materials, EarlyView.Curcumin‐mediated multiphoton lithography enables one‐step fabrication of highly architected complex gelatin methacryloyl scaffolds by exploiting curcumin as a multifunctional bioactive photoinitiator. The resulting 3D structures support mesenchymal stem cell adhesion, proliferation, and migration, while exhibiting dual antibacterial activity through ...
Myrto Charitaki +7 more
wiley +1 more source
Ultrabroadband microwave metamaterial absorber with dielectric lossy layer
Scientific ReportsMetamaterial absorbers exhibit high absorption and flexible tuning ability has been widely applied in energy harvesting, radiative cooling, and radar cross-section reduction.
Ying Zhang +5 more
doaj +1 more source
Holo-imprinting polarization optics with a reflective liquid crystal hologram template
Light: Science & Applications, 2022 Holo-imprinting of photo-aligning planar liquid crystal optics enables a fast and efficient fabrication process for advanced imaging and display devices, including augmented reality and virtual reality.
Jianghao Xiong +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.A new class of sulfur‐free, oxygen‐bridged dibenzofuran‐based polymers is developed for ultrahigh‐refractive‐index applications. The rigid π‐extended architecture and enhanced molecular polarizability enable exceptional optical performance, combining refractive indices up to 1.848 with high Abbe numbers and full visible transparency. This work offers a
Hend A. Hegazy +5 more
wiley +1 more source
Advanced Functional Materials, EarlyView.A CMOS‐compatible, all‐dielectric Silicon‐on‐Glass reflective metasurface enables low–loss terahertz wavefront control for future 6G wireless communication. Mie‐resonant silicon pillars provide full phase coverage near 500 GHz, achieving experimentally validated single‐, dual‐, and five‐beam steering with sub‐1.5° angular error and less than 3 dB ...
Rithwik Premanand +6 more
wiley +1 more source
Reconfigurable spatial-mode generation and multiplexing on a scalable photonic chip
npj NanophotonicsSpatial modes have found widespread applications in spatial division multiplexing (SDM), sensing, quantum information processing, and on-chip machine learning.
Xingguo Xiao +5 more
doaj +1 more source
A Programmable All-Optical Delay Array for Light Detection and Ranging Scene Generation
IEEE Access, 2019 Light detection and ranging (LiDAR) scene generator is an important device in the LiDAR guidance hardware-in-the-loop (HWIL) simulation system. It generates simulated optical LiDAR scenes under laboratory conditions.
Yanze Gao +6 more
doaj +1 more source
Advanced Functional Materials, EarlyView.The physical realization of artificial neurons is a critical challenge for energy‐efficient neuromorphic computing. This review presents a comprehensive analysis of the evolution of artificial neuron implementations from conventional CMOS to emerging post‐CMOS technologies.
Kannan Udaya Mohanan +4 more
wiley +1 more source
A Multidirectional-Difference-Hash-Based Image Clutter Metric for Targeting Performance
IEEE Photonics Journal, 2019 Quantification of image clutter plays an important role in predicting target acquisition performances of a photoelectric imaging system due to the strong effect of optoelectronic image clutter. Accuracy in predicting the targeting performance of previous
Yufei Zhao +6 more
doaj +1 more source