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Research & Technology News
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 systems an important tool for biomedical research. However, the complexity and high cost of these systems have put them out of the reach of many end-users in the biomedical field. Greater accessibility to tissue clearing techniques could help
OptoGPT to Enhance Optical Component Design
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 Traps Improve 3D Trapping Efficiency in Large Particles
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 Blood 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 Can Increase Frequency Comb Efficiency
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...
Low-Power Lasers Exhibit Narrow Linewidth Needed for 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...
Spectroscopy Breakthrough May 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...
3D Method Tracks Fast-Moving Objects
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...
Computational Microscopy Method Removes Distortions and Guesswork
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)....
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...
EUV Light Source Could Meet Chip Makers’ Future Lithography Needs
BERLIN, July 2, 2024 — Scientists from Helmholtz-Zentrum Berlin (HZB), Tsinghua University, and the Physical-Technical Federal Institute (PTB) for metrology are building the foundation for a future source for coherent ultraviolet (UV) radiation, known as steady-state...
Production Process Lowers Quantum Dot Laser Manufacturing Costs
DAEJEON, South Korea, July 1, 2024 — Researchers from South Korea’s Electronics and Telecommunications Research Institute (ETRI) have reported the development of technology to mass-produce quantum dot lasers using metal-organic chemical vapor deposition (MOCVD) systems. The work...
Deep Learning-Trained Imager Magnifies Subwavelength Objects
LOS ANGELES, June 27, 2024 — An optical imaging system from UCLA goes beyond the traditional diffraction limit to enable imaging at subwavelength resolution. The new imager will make direct imaging of phase objects with subwavelength resolution less challenging for bioimaging,...
Spectroscopic Technique Measures Soil Contaminants Easily and Accurately
TOKYO, June 26, 2024 — A method developed at Waseda University and the National Institute of Advanced Industrial Science and Technology (AIST) provides a simple route to accurately assess the concentration of nano- and microplastics (N/MPs) in different soil types....
Nonlinear Optics Upconverts IR to Visible for IR Imaging at Local Level
BANGALORE, India, June 25, 2024 — From defense to astronomy to environmental science, multiple sectors rely on infrared (IR) imaging and sensing to uncover critical information that cannot be detected by light in the visible range. Existing IR sensors are often bulky and...
Multifunctional Diode Speeds and Integrates Optical Computing
HEFEI, China, June 21, 2024 — A multifunctional three-terminal diode (TTD), developed by a team at the University of Science and Technology of China (USTC), can function as both an optical emitter and a photodetector. The TTD boosts communication bandwidth significantly. It is...
Cytometer Detects Rare Cancer Cell Subpopulations Concurrently
BOSTON, June 20, 2024 — A new flow cytometry system could help scientists develop more targeted, personalized strategies for treating cancer by enabling them to follow disease progression and therapeutic response in different cancer cell subpopulations simultaneously....
Programmable Sensor Provides Fast, High-Quality Imaging of Neural Changes
CAMBRIDGE, Mass., June 18, 2024 — To study brain functions like memory, neuroscientists track the electrical communications of neurons. These voltage changes can be subtle and can happen on a millisecond timescale. A programmable image sensor from MIT could improve the ability to...
Photon Emission Control for Quantum Applications Sets Precision Record
ENSCHEDE, Netherlands, June 17, 2024 — Control of photon emission is essential for the stable, efficient management of single-photon sources for quantum information, miniaturized light sources, and numerous other applications. Researchers at the University of Twente (UT) demonstrated a...
Metasurfaces Enable Switch from Edge Detection to IR Imaging
MELBOURNE, Australia, June 13, 2024 — To create a compact, flexible sensor for agriculture and other industries, an international engineering team combined the tunability of phase change materials with reconfigurable image-processing metasurfaces. The resulting device provides image...
Erbium Laser Miniaturized to Chip-Scale
LAUSANNE, Switzerland, June 11, 2024 — At the crossroads of growing demand for fiber lasers and chip-scale lasers, researchers at École Polytechnique Fédérale de Lausanne have developed a chip-integrated erbium-doped waveguide laser that approaches the performance of...
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July 2024
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