Results 101 to 110 of about 24,972 (270)
Metalens‐Enabled Double‐Helix Point Spread Function for Multifunctional Imaging
Advanced Physics Research, EarlyView.A single metalens is employed to generate a double‐helix point spread function (DH‐PSF). At the design wavelength, the PSF rotation angle varies linearly with depth, while the lobe spacing follows an inverse dependence on axial position. At a fixed depth, the lobe spacing further exhibits a linear dependence on wavelength due to dispersion.
Xuanyu Wu +8 more
wiley +1 more source
Propagation Characteristics in the Three-Dimensional Complex Nonstandard FDTD Method [PDF]
, 2004 本論文では,損失媒質中での3次元Complex Nonstandard FDTD(CNS-FDTD)法の伝搬特性を明らかにするため,3次元における数値分散式及び安定条件を導出した.理論及び数値的検討から,CNS-FDTD法は3次元においても通常のFDTD法より高精度かつ安定なことを示す.journal ...
Kashiwa, Tatsuya +2 more
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Photothermal CO2 Hydrogenation: Reactions, Mechanisms, and Catalyst Design
Carbon Energy, EarlyView.Reactions, mechanisms, and catalyst design for photothermal CO2 hydrogenation. ABSTRACT Photothermal CO2 hydrogenation has attracted extensive attention because it provides a green and sustainable approach to fuel and chemicals production. The photothermal catalyst plays a critical role in CO2 conversion through a range of reactions.
Shuai Yan +15 more
wiley +1 more source
Structure‐Function Tailoring of Plasmonic Nanomaterials for Thin‐Film Photovoltaics
Carbon Energy, EarlyView.This review discusses the mechanisms and recent advancements of plasmonics in achieving effective light management to enhance the performance of thin‐film solar cells. It highlights applications in high‐performance perovskite solar cells and future‐oriented tandem solar cells.
Sen Jiang +14 more
wiley +1 more source
Laser &Photonics Reviews, EarlyView.This work introduces a customizable mode converter for multimode silicon photonics, enabling precise control over the conversion ratio between optical modes. The device operates across a broad wavelength range (1350–1700 nm) with 15 distinct conversion levels.
Raquel Fernández de Cabo +7 more
wiley +1 more source
Binaural Simulations Using Audio Rate FDTD Schemes and CUDA
, 2012 Three dimensional finite difference time domain schemes can be used as an approach to spatial audio simulation. By embedding a model of the human head in a 3D computational space, such simulations can emulate binaural sound localisation.
Webb, Craig, Bilbao, Stefan
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Rigorous Electromagnetic Quasinormal‐Mode Method Made Easy for Users
Laser &Photonics Reviews, EarlyView.We present a method that combines numerical techniques with accurate approximations to enable simple and ultrafast computations of the scattered field based on quasinormal modes expansions. The method is made available in the open‐source package MANlite implemented within COMSOL.
Tong Wu, Philippe Lalanne
wiley +1 more source
Laser &Photonics Reviews, EarlyView.Epitaxial growth forms III–V membranes directly atop the silicon waveguide layer on SOI, while in‐plane in situ doping defines lateral p–i–n InP/InGaAs junctions in a single growth step. The membrane photodetectors achieve 50 Gb/s NRZ‐OOK operation.
Zhao Yan +10 more
wiley +1 more source
Virtual Overlay Staining With Plasmonic Oligomer Metasurface
Small, EarlyView.A scalable plasmonic metasurface enables “virtual staining” of living cells by enhancing optical contrast from refractive index differences. Through electrostatically assembled nanoparticle oligomers on a mirror, cellular components such as nuclei, mitochondria, and lipid‐rich regions are visualized without molecular dyes. This approach simplifies cell
Doeun Kim +8 more
wiley +1 more source
Parallel FDTD Computation Using Parallel supercomputer [PDF]
, 2001 スーパコンピュータは数T FLOPS/数百GByteの性能をもつに至っている.本研究では, 汎用的電磁界解析法であるFDTD法についてMPIを用いて並列型スーパコンピュータに対応した並列化を行い, その実行性能を調べた.journal ...
Kashiwa, Tatsuya +2 more
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