"Flipping" optical wavefront eliminates distortions in multimode fibers
The use of multimode optical fibers to boost the information capacity of the Internet is severely hampered by distortions that occur during the transmission of images because of a phenomenon called modal crosstalk......»»
Explaining why a black hole produces light when ripping apart a star
New model tracks the remains of a star looping around a black hole. Enlarge / A model of a tidal disruption, along with some observations of one. (credit: Illustration: CXC/M. Weiss; X-ray: NASA/CXC/UNH/D. Lin et al, Optical: CF.....»»
New technique uses optical orbital angular momentum lattice to enhance information storage capacity
In the realm of optical holography, the conventional limitations of polarization, wavelength, and incident angle are giving way to a new era of possibilities. A breakthrough technique known as optical orbital angular momentum (OAM) multiplexing has e.....»»
Developing a flat soliton microcomb source
Optical chip-related technology is the inevitable path to retain the validity of Moore's Law, which has become the consensus of academia and industry; it can effectively solve the speed and power consumption problems of electronic chips. This tech is.....»»
Researchers develop eco-friendly material from mushrooms, coffee grounds and natural pineapple fibers
Researchers have developed a novel eco-friendly material, dubbed "mycelium-based composites (MBCs)." Mycelium-based composites (MBCs) are renowned for their unique properties, making them an increasingly popular choice in various industries, particul.....»»
Flipping the BEC funnel: Phishing in the age of GenAI
For years, phishing was just a numbers game: A malicious actor would slap together an extremely generic (and usually poorly-written) email and fire it out to thousands of recipients in the hope that a few might take the bait. Over time, however, as s.....»»
Apple Vision Pro ordering process: iPhone or iPad with Face ID needed, ‘valid, unexpired prescription’ for optical inserts
Apple Vision Pro pre-orders are a week away, and Apple is sharing new information about the buying process. An iPhone or iPad with Face ID will be needed to determine the best fitting hardware at checkout. For those who wear glasses, Apple has also s.....»»
Review covers optical aspects of quantitative photoacoustic tomography
Quantitative photoacoustic tomography (QPAT) is a medical imaging technique that combines laser-induced photoacoustic signals and ultrasound detection to create detailed three-dimensional images of biological tissues. The process involves irradiating.....»»
Researchers use spinning metasurfaces to craft compact thermal imaging system
Researchers have developed a new technology that uses meta-optical devices to perform thermal imaging. The approach provides richer information about imaged objects, which could broaden the use of thermal imaging in fields such as autonomous navigati.....»»
Researchers look at thermal stabilization in photonic packages
Photonics offers various advantages, including enablement of high-speed and low-loss communication by leveraging light properties in optical data communication, biomedical applications, automotive technology, and artificial intelligence domains. Thes.....»»
Shape matters: Study finds microplastic fibers may travel as far as the stratosphere
How far microplastics travel in the atmosphere depends crucially on particle shape, according to a recent study by scientists at the University of Vienna and the Max Planck Institute for Dynamics and Self-Organization in Göttingen. Although spherica.....»»
Process for the optical analysis of trace gases optimized
Laser-based absorption spectroscopy is an important method for determining the concentration of gas components in a sample. Modern devices are highly specialized for detecting very specific gases, such as trace gases in the atmosphere, in combustion.....»»
Multi-point temperature measurements in packed beds using phosphor thermometry and ray tracing simulations
A team of researchers has proposed an indirect optical method for determining internal temperatures of opaque packed beds based on phosphor thermometry. This method enables simultaneous multi-point measurements using an image-based separation of the.....»»
Yanfeng shows a futuristic EV interior concept in its first CES appearance
A new interior design concept by Yanfeng eliminates a traditional center console and places many crucial components into the driver's seat......»»
A novel strategy for extracting mycelial fibers for mushroom-based materials
Mycelial fibers, the fibrous cells found in fruiting mushroom bodies, have gained momentum as a sustainable material for making leather and packaging owing to their excellent formability. Recently, a team of researchers from Shinshu University, Japan.....»»
Prescription lenses for Apple Vision Pro are cheaper than expected
Apple has announced two lens families for its forthcoming Apple Vision Pro, a Reader option and full Zeiss prescription lenses, both for considerably less than predicted.A Zeiss optical insert lens, at least similar to the ones being prepared for Vis.....»»
Researchers develop efficient and accessible single-molecule platform for detecting various amylin species
A research team led by The Hong Kong University of Science and Technology (HKUST) has developed an optical plasmonic tweezer-controlled Surface-Enhanced Raman Spectroscopy (SERS) platform that utilizes on-and-off control of light to probe various amy.....»»
The use of deep learning for phase recovery
Light, as an electromagnetic field, has two essential components: amplitude and phase. However, optical detectors, usually relying on photon-to-electron conversion (such as charge-coupled device sensors and the human eye), cannot capture the phase of.....»»
Geometric origin of intrinsic dark counts in superconducting nanowire single-photon detectors
In a recent leap forward for quantum computing and optical technologies, researchers have uncovered an important aspect of photon detection. Superconducting nanowire single-photon detectors (SNSPDs), pivotal in quantum communication and advanced opti.....»»
Breakthrough in nitrile activation is promising pathway for anticancer precursor synthesis
A research team, affiliated with UNIST has unveiled a novel method to produce a selective anticancer precursor substance that targets and eliminates cancer cells. This groundbreaking method, previously existing only in theory, has now been experiment.....»»
Enantiomeric lead-free double perovskites rationally designed by achiral-chiral cation intercalation
Chiral optical materials have attracted great attention in multiple disciplines due to their wide application value in fields such as remote sensing, three-dimensional display, information communication, and optical information storage. With the stro.....»»