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Research & Technology News

Microscopy Method Provides Quality Control for Digital Manufacturing
CAMBRIDGE, England, Dec. 10, 2024 — The growth in digital manufacturing has intensified the need for fast, reliable quality control methods to assess the microstructures of critical metal parts, like those used in aerospace. While 3D scanners and other technologies are available to analyze the build quality and integrity of metal parts, there is no equivalent solution for imaging and analyzing the microstructure of a part. A new approach to analyzing microstructures, based on directional reflectance microscopy (DRM),
Microscopy Method Supports 3D, Multitargeted Cell Imaging at Nanoscale
HOUSTON, Dec. 10, 2024 — A new microscopy platform could improve investigations into the mechanisms that drive cellular behavior by providing fast, precise 3D imaging of multiple cellular structures at the nanoscale, while allowing flexible control of the extracellular...
Study Prods Possible Link Between Solar Panels, Building Fires
THE HAGUE, Netherlands, Dec. 10, 2024 — With the growing popularity of solar energy systems, concerns about fire risks have also risen. However, it is challenging to determine whether the solar panels were the cause of the fire and under what circumstances the fire started. Also, until...
Quantum Dot Recycling Improves Sustainability of Lasers
WASHINGTON, D.C., Dec. 9, 2024 — To make quantum dot technology more sustainable, researchers at the University of Strathclyde developed a practical, inexpensive way to recycle the colloidal quantum dots (CQDs) used to make microscopic supraparticle (SP) lasers. The researchers...
Metasurface-Enabled Camera Optimized for AR/VR Devices
SEOUL, South Korea, Dec. 2, 2024 — Researchers from Seoul National University have developed a folded lens system using metasurfaces to dramatically reduce the volume of cameras. By arranging metasurfaces on a glass substrate so that light can be reflected and moved around in the...
MicroLEDs Show Potential for Neuromorphic Computing
BRAUNSCHWEIG, Germany, Dec. 2, 2024 — Known for their energy efficiency, light-emitting diodes (LEDs) are also opening up completely new possibilities for applications beyond lighting: by using a neuron network of microscopic LEDs for the artificial intelligence (AI) of tomorrow, a...
LED Light Breaks Down Forever Chemicals that Harm the Environment
FORT COLLINS, Colo., Nov. 29, 2024 — The durability of PFAS has led to their widespread use in medical, industrial, and commercial settings throughout the world. These “forever chemicals” are made of inorganic materials that break down very slowly. They are difficult to...
Liquid Crystal Lens Filters out Light that Causes Seizures
GLASGOW, Scotland, Nov. 26, 2024 — In people who experience photosensitive epilepsy, seizures can be triggered by visual stimuli, like video games, that are displayed at certain wavelengths. Lenses made with cholesteric liquid crystal (CLC), a material that is sensitive to changes in...
Solar Lasers Could Power Future Space Missions
EDINBURGH, Scotland, Nov. 26, 2024 — An international research team is working to develop a technology that directly converts sunlight into laser beams in order to enable the transmission of power over vast distances. The approach, inspired by photosynthesis, could allow power to be...
Optogenetics Technique Could Replace Surgical Treatments for Seizures
SANTA CRUZ, Calif., Nov. 25, 2024 — Researchers from three University of California (UC) campuses collaborated on an optogenetics-based approach to controlling abnormal neural activity in humans. Their findings could someday provide an alternative to surgery for patients who have...
Shape of a Single Photon Revealed with New Theory
BIRMINGHAM, England, Nov. 25, 2024 — A theory posited by University of Birmingham researchers explores the nature of photons in unprecedented detail to show how they are emitted by atoms or molecules and shaped by their environment. The theory explains how light and matter interact at...
Quasicrystals Create Light Vortices to Transmit More Data with Fiber Optics
ESPOO, Finland, Nov. 21, 2024 — As the demand for data storage grows, better ways to encode large amounts of data for rapid transmission are required. One method of transmitting data is to encode the data in laser light and send it through optical fibers. A new design method from...
Study Finds Laser Light Can Cast a Shadow
OTTAWA, Ontario, Nov. 20, 2024 — Researchers at the University of Ottawa have demonstrated that under certain conditions, a laser beam can act like an opaque object and cast a visible shadow. The finding challenges the traditional understanding of shadows and opens possibilities...
Photonic Time Crystals Amplify Light Exponentially for Lasing and Sensing
ESPOO, Finland, Nov. 19, 2024 — The first practical approach to creating photonic time crystals at optical frequencies, developed by an international research team, could lay the groundwork for faster, more compact lasers, sensors, and other optical devices. The team comprising...
Deep Learning Enables High-Resolution 3D Images with Low-Speed Cameras
NANJING, China, Nov. 18, 2024 — A team at Nanjing University of Science and Technology drew on deep learning techniques to achieve high-resolution, high-speed 3D imaging using conventional, low-speed cameras. The new 3D imaging method shows that slow-scan cameras, which are low in...
Gold-Based Agent Improves OCT’s Ability to Image Cardio Conditions
OTTAWA, Canada, Nov. 18, 2024 — Intravascular optical coherence tomography (IV-OCT) is used to inform doctors about the shape and structure of hardened artery buildups, torn arteries, and blood clots in the heart. While the method is useful for anatomical imaging, researchers...
Waveguiding Method Builds Path to Guide Light Through Scattering Materials
GLASGOW, Scotland, Nov. 13, 2024 — A new approach to guiding and controlling light, based on the process of diffusion, can enhance light transmission by orders of magnitude, even along curved trajectories. The diffusion waveguiding approach could be used in future medical imaging...
Unidirectional Imaging Enables Asymmetric Visual Info Processing
LOS ANGELES, Nov. 11, 2024 — Traditional imaging systems are bidirectional — if a camera can see a person, the person can see a camera. Researchers at the University of California, Los Angeles (UCLA) recently developed a new type of imaging technology that could...
Photoresist Enables High-Throughput, High-Resolution Nanolithography
HANGZHOU, China, Nov. 6, 2024 — A new cationic-based photoresist can improve the production speed of two-photon lithography (TPL) without sacrificing resolution. The highly sensitive photoresist, called TP-EO (short for two-photon epoxy oligomer), was developed by a team at...
Laser-Activated Gel Forms Tissue Scaffolds for Medicine and Research
ZURICH, Nov. 5, 2024 — Using a laser and a light-reactive gel, a research team led by Hao Liu at ETH Zurich produced highly aligned microfilament structures for growing connective, nerve, and muscle tissue in a lab. The optically-based approach developed by the team could...
Broadband UV Combs Will Enhance Molecular Spectroscopy
ORLANDO, Fla., Nov. 4, 2024 — Researchers have developed an ultrafast laser platform that generates ultra-broadband ultraviolet (UV) frequency combs with an unprecedented one million comb lines, providing exceptional spectral resolution. The approach, which also produces...
Raman Spectroscopy Undergoes Major Speed Upgrade
TOKYO, Oct. 31, 2024 — Researchers at the University of Tokyo have increased the measurement rate of Raman spectroscopy by 100-fold. Since the measurement rate of the technique has been a major limitation, the improvement is expected to aid advancements in multiple fields...
Meta-Imaging Camera Provides Precise Monocular Depth Sensing
BEIJING, Oct. 29, 2024 — Depth sensing plays a crucial role in various applications, including robotics, augmented reality, and autonomous driving. Monocular passive depth sensing techniques are valued for their cost-effectiveness and compact design which offers an...
Research Consortium Advances Diamond Spin Photon Quantum Computing
FREIBURG, Germany, Oct. 29, 2024 — Quantum computers promise the ability to solve complex problems in seconds that would take decades for modern supercomputers. While the goal is clear, the path to achieve it remains unclear due to the quantity of potential approaches to realize it....
Raman Spectroscopy Tests Biomarkers for Rapid Dementia Diagnosis
SOUTHAMPTON, England, Oct. 28, 2024 — Dementia is difficult to diagnose during the initial stages of the disease. Using current testing methods, it can take over two years for patients to receive a diagnosis. Many patients are not diagnosed until the disease has progressed to a point...

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