Results 91 to 100 of about 1,825 (184)
Multifunctional Metasurfaces for Bridging Terahertz Waves in Free Space and Waveguides
A multifunctional terahertz metasurface capable of simultaneous orthogonal polarization conversion and phase modulation is integrated onto a dielectric slab waveguide, thereby enabling efficient free‐space‐to‐guided‐wave coupling. By implementing tailored phase gradients on the metasurface, we demonstrate the formation of a focused spot within the ...
Jinhui Lu +5 more
wiley +1 more source
Holo-U2Net for High-Fidelity 3D Hologram Generation
Traditional methods of hologram generation, such as point-, polygon-, and layer-based physical simulation approaches, suffer from substantial computational overhead and generate low-fidelity holograms.
Tian Yang, Zixiang Lu
doaj +1 more source
Gaussian Wave Splatting for Computer-Generated Holography
State-of-the-art neural rendering methods optimize Gaussian scene representations from a few photographs for novel-view synthesis. Building on these representations, we develop an efficient algorithm, dubbed Gaussian Wave Splatting, to turn these Gaussians into holograms.
Suyeon Choi +4 more
openaire +2 more sources
Despite its potential, photocatalysis is limited by inefficient charge carrier separation and transport. This article reviews the mechanisms, characterization methods, and strategies for improvement, concluding with future challenges in the field. ABSTRACT Photocatalysis offers a promising solution to environmental and renewable energy issues. However,
Leqi Cheng +5 more
wiley +1 more source
Three-dimensional computer holography with phase space tailoring
Computer holography is a prominent technique for reconstructing customized three-dimensional (3D) diffraction fields. However, the quality of optical reconstruction remains a fundamental challenge in 3D computer holography, especially for the 3D ...
Runze Zhu +3 more
doaj +1 more source
High‐Accuracy Thin‐Film Stress Sensor Exploiting Integrated Digital Image Correlation
A high‐accuracy Speckle Stress Sensor (SSS) is introduced for real‐time thin‐film stress measurements, combining integrated digital image correlation (IDIC) with dense overlapping spot patterns generated by a simple LED‐perforated plate setup. Unlike conventional multi‐beam optical stress sensors relying on detection of the centers of isolated laser ...
R. F. M. Martens +3 more
wiley +1 more source
Recent Developments in Deep‐Ultraviolet Flat Optics
Deep‐ultraviolet flat optics (DUVFO) is emerging as a key platform for next‐generation photonics, enabling advanced functionalities beyond conventional DUV optics. This review outlines materials, devices, and system advances, highlighting wide‐bandgap platforms, while identifying key challenges in dispersion control, characterization, and wafer‐scale ...
Omar A. M. Abdelraouf +2 more
wiley +1 more source
Complete Mode Spectrum Decomposition of Complex‐Structured Light by Computer‐Generated Holography
Analyzing or probing a complex‐structured light field with a simple model to obtain its mode composition sequence and phase delays among eigenmodes is challenging.
Yunfei Ma +9 more
doaj +1 more source
IncepHoloRGB: multi-wavelength network model for full-color 3D computer-generated holography
The popularity of deep learning has boosted computer-generated holography (CGH) as a vibrant research field, particularly physics-driven unsupervised learning.
Xuan Yu +8 more
doaj +1 more source
This work introduces a unique class of structured light—trajectory beams—where all degrees of freedom evolve dynamically along the predefined trajectory. By employing computer‐generated holography, single‐layer metasurfaces achieve the complete decoupling of trajectory shape and the distributions of amplitude, phase, and polarization along the path ...
Zhibang Tan +8 more
wiley +1 more source

