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Research & Technology News

Optical Magnetometers Measure Indicators of Disease
SAN DIEGO, Aug. 7, 2024 — A wearable optical device that records activity in the autonomic nervous system could provide medical professionals with a tool for detecting early signs of physical stress. The device is based on ventral cervical magnetoneurography (vcMNG), a method that uses magnetic field sensors to trace and visualize neural activity along peripheral nerves and identify cervical nerve firing noninvasively in real-time. The device detects the magnetic fields arising from activity in the vagus and
Chiral Perovskite Interface Enables Spin in Conventional LEDs
SALT LAKE CITY, Aug. 6, 2024 — Although spintronic devices can process an order of magnitude more information than conventional electronics, current efforts to realize commercial spintronic devices are limited, due to the inefficiencies associated with spin injection across...
Transparency Gains Characterize Fraunhofer OLED Microdisplays
DRESDEN, Germany, Aug. 6, 2024 — Researchers from the Fraunhofer Institute for Photonic Microsystems IPMS have significantly increased the transparency of OLED microdisplays. Transparent electronics have found use in ultrathin layers for touch display, and as transparent films with...
Method Combines the Powers of Conventional and Quantum Internet
HANOVER, Germany, Aug. 5, 2024 — While the cointegration of quantum frequency-entangled with coherent information transmission can be achieved via spectral multiplexing, more resource-efficient approaches are required in order to accommodate the next generation of...
Light-Matter Interaction Converts Plastic Waste to Functional Materials
AUSTIN, Texas, Aug. 2, 2024 — To assist in the reduction of plastic waste, an international research team led by the University of Texas at Austin (UTA) developed a method that uses a low-power laser to initiate carbon-hydrogen (C-H) activation in plastics and other materials....
Recyclable Polymers Offer Light-Emitting Efficiency and Sustainability
LEMONT, Ill., Aug. 1, 2024 — Luminescent polymers, a class of flexible materials known for their light-emitting capability, are ubiquitous across diverse industries, from bioimaging to security signage to computer displays. When these organic polymers reach their end of life,...
Magnetic Field Illuminates Path to Solar Panel Efficiency Uptick
SYDNEY, July 30, 2024 — Singlet fission and triplet fusion are related photophysical processes with potential applications in photovoltaics, photocatalysis, optical and magnetic resonance imaging, and advanced manufacturing. When applied to photovoltaics, singlet fission...
Phone-Based Raman Spectrometer Recognizes Materials in Minutes
COLLEGE STATION, Texas, July 29, 2024 — Scientists, medical personnel, and others will be able to quickly identify drugs, chemicals, and biological molecules with a handheld device for Raman spectrometry invented by a team at Texas A&M University. The portable Raman spectrometer is...
Stacked Transition Metal Dichalcogenide Material Layers Show Optoelectrical Qualities
QUÉBEC CITY, July, 25, 2024 — Molybdenum disulphide (MoS2) has emerged as a two-dimensional material, and semiconductor, that is attracting a great deal of interest from the scientific community because of its properties. While it has been used since the 1970s and 1980s as a...
Graphene Deploys as a Powerful Gas Sensor Emission Source
AACHEN, Germany, July 24, 2024 — Using graphene as the emission source, researchers at AMO GmbH worked with other European universities to develop a MIR emitter for integrated photonic gas sensors. The researchers integrated the graphene-based emitter with photonic waveguides that...
Nanofabrication in Bulk Silicon Brings 3D Integrated Photonics Step Closer
ANKARA, Turkey, July 23, 2024 — Using spatially-modulated laser beams and anisotropic seeding, researchers at Bilkent University demonstrated a way to control nanofabrication deep inside silicon (Si) bulk material, instead of only on the surface of an Si chip. The new approach...
Affordable Light-Sheet Microscope Could Spur Biomedical Exploration
TOKYO, July 22, 2024 — By broadening the availability of light-sheet fluorescence microscopy (LSFM) world-wide, a team at Juntendo University is helping to smooth the path to future discoveries in biomedicine. Advancements in tissue clearing techniques have made LSFM...
OptoGPT Enhances Optical Components in the Design Phase
ANN ARBOR, Mich., July 22, 2024 — An algorithm developed at the University of Michigan is expected to enhance the design process for optical components including solar cells, smart windows, telescopes, and others. OptoGPT harnesses the transformer neural networks powering large...
Customized Optical Trapping Spans Three Dimensions
EXETER, England, July 17, 2024 — The smaller the volume of light that confines a microparticle, the more tightly the particle can be trapped. Maximizing the stiffness of the optical trap can lead to more precise measurements at the nanoscale and more photon-efficient tweezing of...
Insights on Photon Shapes Hold Promise for New Tech
ENSCHEDE, Netherlands, July 16, 2024 — Researchers from the University of Twente have found far greater diversity in the behavior of photons compared to electrons surrounding atoms, while also being much easier to control. These new insights have implications for a broad range of...
Optical Tweezers Set up Entanglement for Long-Distance Quantum Computing
GARCHING, Germany, July 16, 2024 — According to prevailing wisdom, long-distance quantum computing requires the ability to entangle qubits made from matter, in which information is stored and manipulated locally, with photonic qubits that can transmit the information. Entanglement...
New and Improved Skipper CCDs Count Photons from Distant Galaxies
BATAVIA, Ill., July 15, 2024 — Using an instrument on the 4.1-meter Southern Astrophysical Research Telescope, researchers obtained the first astronomical spectrum using skipper charge-coupled devices (CCDs). Originally envisioned for this purpose, the technology has been largely...
Optogenetics Identifies Sugar Regulating Pancreatic Cells
DRESDEN, Germany, July 15, 2024 — An international team led by Professor Nikolay Ninov at the Center for Regenerative Therapies Dresden, part of Dresden University of Technology, used optogenetics to analyze transparent fish pancreases to understand how the body controls blood...
Topological Platform Boosts Comb Efficiency, End Use Potential
COLLEGE PARK, Md., July 12, 2024 — The well-defined spacing between frequency spikes makes the frequency comb a valuable light measurement tool. Just as the evenly spaced lines on a ruler provide a way to measure distance, the evenly spaced spikes of a frequency comb allow the...
Spectral Purity Measurement Method Supports Photonic Quantum Computing
CANBERRA, Australia, July 9, 2024 — Exciton-polariton lasers offer low-power operation, making them a promising source of coherent light for various low-energy applications. The spectral purity, or linewidth, of this type of laser had remained unclear, until now. Using a commercial...
Lens Made with Hybrid Glass Enables Responsive Micro-Optical Devices
JENA, Germany, July 8, 2024 — A mm-sized optical lens made from a hybrid glass material demonstrated the ability to change its refractive behavior in the presence of gas. Developed by researchers at the University of Jena, the lens’ behavior stems from the materials from...
Timekeeping Breakthrough Offers to Rewrite Nature’s Constants
LOS ANGELES, July 8, 2024 — Researchers have long dreamed of the secrets they could unlock by raising the energy state of an atom’s nucleus using a laser. Accomplishing this would allow the atomic clocks of today to be replaced with a nuclear clock with far greater...
Computational Microscopy Method Removes Distortions
PASADENA, Calif., July 4, 2024 — Computational imaging, a technique that combines the sensing capabilities of conventional microscopy with algorithms for processing data, helps modern microscopy achieve high-resolution, aberration-free images with a large field of view (FOV)....
Method Tracks Fast-Moving Objects, Supports Autonomous Applications
BEIJING, July 4, 2024 — A group of researchers have developed a new 3D method that can be used to track fast-moving objects at high speeds. The real-time tracking approach, which is based on single-pixel imaging, could be used to improve autonomous driving, industrial...
3D-Printing Technique Streamlines Multi-Materials Prototyping
COLUMBIA, Mo., July 2, 2024 — A 3D printing and laser process developed at the University of Missouri opens the door to simplified manufacturing of multi-material, multi-layered sensors, circuit boards, and even textiles with electronic components. Called the Freeform...

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