Light: Science & Applications
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Related Articles from SNS
Terahertz biophotonics: Understanding the path towards practical applications for biological imaging
Terahertz biophotonics: Understanding the path towards practical applications for biological imaging Gaby Clark Scientific Editor Alexander Pol Deputy Editor Biophotonics is a multidisciplinary field that involves the development and application of light-based technologies to study, monitor and treat biological systems. The ability to directly image cells and molecules has led to many fundamental discoveries in the past century. More recently, the terahertz (THz) region of the...
Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks
Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks Stephanie Baum Scientific Editor Robert Egan Associate Editor Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light power applications from precision micromachining to eye surgery to optical frequency combs, the Nobel Prize-winning technology behind today's most precise optical atomic clocks. Yet despite more than two decades...
Hyperspectral Smoke Segmentation via Mixture of Prototypes
arXiv:2602.10858v2 Announce Type: replace Abstract: Smoke segmentation is critical for wildfire management and industrial safety applications. Traditional visible-light-based methods face limitations due to insufficient spectral information, particularly struggling with cloud interference and semi-transparent smoke regions.
Magnetometry with Broadband Microwave Fields in Nitrogen-Vacancy Centers in Diamond
arXiv:2510.11720v2 Announce Type: replace-cross Abstract: Nitrogen-vacancy (NV) centers in diamond are optically addressable and versatile light-matter interfaces with practical application in magnetic field sensing, offering the ability to operate at room temperature and reach sensitivities below pT/$\sqrt{\mathrm{Hz}}$. We propose an approach to simultaneously probe all of the magnetically sensitive states using a broadband microwave field and demonstrate that it can be used to measure the...
Toroidal pulse enhanced XUV generation
arXiv:2605.31428v1 Announce Type: new Abstract: Extreme ultraviolet (XUV) radiation plays a central role in a wide range of applications. Despite being a cornerstone of attosecond science, efficient XUV generation remains highly challenging. Here, we investigate XUV generation via nonlinear Thomson scattering driven by a toroidal pulse.
New solar desalination breakthrough makes fresh water without toxic brine
New solar desalination breakthrough makes fresh water without toxic brine This sunlight-powered desalination breakthrough turns seawater into fresh water while harvesting valuable minerals. - Date: - May 31, 2026 - Source: - University of Rochester - Summary: - Scientists have developed a solar desalination system that turns seawater into drinking water without creating environmentally damaging brine. Special laser-textured metal panels use sunlight to evaporate water while automatically...
New solar desalination breakthrough makes fresh water without toxic brine
New solar desalination breakthrough makes fresh water without toxic brine This sunlight-powered desalination breakthrough turns seawater into fresh water while harvesting valuable minerals. - Date: - May 31, 2026 - Source: - University of Rochester - Summary: - Scientists have developed a solar desalination system that turns seawater into drinking water without creating environmentally damaging brine. Special laser-textured metal panels use sunlight to evaporate water while automatically...
Rain: RDMA-assisted In-Network Scheduling for Microsecond-scale Workloads
Announce Type: new Abstract: Modern data center applications increasingly require microsecond-scale service time with strict tail latency requirements, which can hardly be realized with existing in-network task schedulers due to their inherent limitations. Specifically, software-based schedulers struggle to balance throughput and latency, while switch-based designs either lack global coordination, rely on packet recirculation heavily, or only offer limited support for large tasks. In light...
CounterFace: A Synthetic Face Dataset for Fine-Grained Counterfactual Evaluation of Face Recognition Systems
arXiv:2407.13922v3 Announce Type: replace Abstract: Face recognition (FR) systems are widely deployed in critical applications, making their reliability and robustness across diverse populations and conditions essential. Standard evaluation of FR systems typically relies on datasets such as LFW to estimate average recognition accuracy. Some benchmarks also capture coarse-grained intra-identity variations such as aging, pose, and lighting.
Pixel Cube: Diffusion-based Portrait Video Relighting Through Realistic Lighting Reproduction
arXiv:2606.02919v2 Announce Type: replace Abstract: We present a diffusion-based method for relighting dynamic portrait videos with photorealism and temporal consistency. Our method is fueled by a hybrid training dataset that consists of real-captured and rendered dynamic portrait videos with diverse subject appearances, facial motions, head poses, and known lighting conditions. Specifically, we construct an LED-based lighting system for realistic lighting emulation and high-speed video...