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Research & Technology News
Microfabricated Fluidics Device Underpins Blood-Plasma Separation Method
LEIOA, Spain, Dec. 23, 2022 — Researchers at the University of the Basque Country (UPV/EHU) developed a microfluidics device to detect blood biomarkers. The researchers used a stereolithography (SLA) technique that enabled them to generate features as small as 10 µm — a capability that, along with the rapid printing times that the method demonstrated, could help establish 3D printing as a fabrication methodology with strong potential in the microfluidics field. According to the researchers, the work also
Device Employs Structural Color to Image Ambient Gases
TSUKUBA, Japan, Dec. 22, 2022 — Researchers from the National Institute for Materials Science (NIMS, Japan), Harvard University, and the University of Connecticut jointly designed and fabricated a simple device developed for imaging a gas injected into it — in multiple...
Single Optical Fiber Drives High-Density Nanolaser Arrays
SEOUL, South Korea, Dec. 19, 2022 — Although the optical waveguides used in optical circuits allow much higher bandwidths than the fine copper wires that are used in electronic chips — and generate less heat — the size of optical integrated circuits is quickly reaching...
Interferometric Method Measures Interactions at Zeptosecond Speed
NATHAN, Australia, Dec. 16, 2022 — According to researchers at the Australian Attosecond Science Facility and the Centre for Quantum Dynamics of Griffith University, building an interferometer in the extreme ultraviolet (EUV) region is challenging for two reasons. First, it is itself...
US Department of Energy Details Net Energy Gain from LLNL Fusion Work
WASHINGTON, D.C., Dec. 13, 2022 — Officials from the U.S. Department of Energy (DOE) announced that scientists at the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory (LLNL) achieved fusion ignition, marking a groundbreaking advance in the decades-long...
Nanoscope Offers Views Into Quantum Computations
AMES, Iowa, Dec. 13, 2022 — A newly developed microscope housed at the U.S. Department of Energy’s Ames National Laboratory is poised to help researchers understand — and ultimately develop — the inner workings of quantum computing. The microscope, called a...
Silicon Photonics Accelerates On-Chip Neural Network Training
WASHINGTON, D.C., Dec. 8, 2022 — Researchers from George Washington University (GWU) have introduced a strategy for training deep neural networks the benefits of using photonics to execute artificial intelligence (AI) applications. The team’s CMOS-compatible silicon photonics...
Atypical Accelerator Yields Free-Electron Lasing in UV
DRESDEN, Germany, Dec. 7, 2022 — The extremely intense light pulses generated by free-electron lasers (FELs) are versatile tools in research. In the x-ray range, they can be used to analyze the details of atomic structures of a wide variety of materials, and to follow fundamental...
Microscope Captures High-Speed Images of Living Cells in 3D
TROMSØ, Norway, Dec. 6, 2022 — A limitation to conventional microscopy imaging, in which a sample is usually squeezed onto a glass slide, is that the behavior of the cells may differ from their natural environment. Further, the the images obtained via this approach are...
Fiber Technology Invented in 1970s Enters Quantum Age
CASTELLDEFELS, Spain, Dec. 5, 2022 — Following its development by a team at Corning in 1970, low-loss optical fiber became the best means to efficiently transport information from one place to another over long distances without loss of information. However, with the exponential...
Sound Waves Enable Single-Photon Control at High Speed
MÜNSTER, Germany, Dec. 1, 2022 — Light and sound are foundational to modern communication technology. Glass fibers — with laser light— form the bedrock of the internet. Nanoscale sound waves on chips serve to process signals at gigahertz frequencies for wireless...
Programmable Device Enables Optical Control at Unprecedented Speeds
CAMBRIDGE, Mass., Nov. 30, 2022 — An international team led by MIT researchers has developed a spatial light modulator (SLM) that promises greater control of light at orders of magnitude more quickly than commercial devices. The team also developed a fabrication process to ensure...
Diode Demonstration Establishes Efficient Route to Sterile Settings
NAGOYA, Japan, Nov. 29, 2022 — Since their introduction in the 1960s, laser diodes have been developed and commercialized for a number of applications with wavelengths ranging from infrared to blue-violet. Examples of this technology include optical communications devices with...
Fluorophore Modified to Expand Monitoring of Cell Dynamics
OSAKA, Japan, Nov. 28, 2022 — A genetically modified fluorescent protein has exhibited the shortest fluorescence emission wavelength to date, researchers at Osaka University reported. The fluorophore, named Sumire, emits 414-nm violet fluorescence from a hydrated chromophore....
Low-Cost Solar Cell Amplifies Performance Potential of Perovskite
TORONTO, Nov. 28, 2022 — An international research team has produced an all-perovskite tandem solar cell with exceptionally high open-circuit voltage and efficiency. The prototype device demonstrates the potential of perovskite, an emerging photovoltaic technology, to...
International Space Station's Newest Transceiver Targets Space Debris
DRESDEN, Germany, Nov. 23, 2022 — Use of a modular system, enabling individual components to be replaced and thereby extending service life — can make satellite systems more sustainable. To ensure a problem-free interface between components, a team from the Fraunhofer...
Multimodal Microscopy Provides Window into Viruses’ Beginnings
DURHAM, N.C., Nov. 23, 2022 — To better understand how viruses breach the protective layers of cells that line the airways and gut, Duke University researchers used multimodal microscopy to capture real-time video footage of viruses as they approach their cellular targets. Using...
Researchers Unlock Light-Matter Interactions on Subnanometer Scales
WEST LAFAYETTE, Ind., Nov. 22, 2022 — Researchers at Purdue University have discovered waves with picometer-scale spatial variations of electromagnetic fields that can propagate in semiconductors like silicon. The findings demonstrate that natural media host a variety of light-matter...
Ultrafast Bursts Extend Chip Lithography Below Surface
MARSEILLE, France, Nov. 22, 2022 — Because semiconductors serve as the backbone of modern technologies including cellphones, cars, robots, and other devices, the continuous need for miniaturized and powerful chips is placing increased pressure on semiconductor manufacturing...
Tunable Metasurface Senses Multidimensional Light-Field Information
BEIJING, Nov. 21, 2022 — Researchers led by professor Yuanmu Yang from the State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University have developed a near-infrared spectropolarimeter based on an...
Optical Delay Scanning Gets Dual Boost
ZURICH, Nov. 18, 2022 — Various applications of pulsed laser sources rely on the ability to produce a series of pulse pairs with a stepwise increasing delay between them. Implementing such optical delay scanning with high precision is demanding, particularly for long...
Embedded AI Localizes Data Processing for Greater Speed, Security
DRESDEN, Germany, Nov. 17, 2022 — The Fraunhofer Institute for Photonic Microsystems (IPMS) aims to support more secure, faster data processing by integrating machine learning algorithms into digital devices. Although AI-enabled devices are firmly integrated with daily life, the...
Spectral Control of Network Lasers Opens Opportunity for On-Chip Photonics
LONDON, Nov. 17, 2022 — Efficient spectral control of network lasers is possible and could lead to fast-switching, multifunctional light sources for on-chip photonic applications. Using experiments and mathematical models, researchers at Imperial College London...
Quantum-Assisted Coating Could Cool Indoor Spaces Without Using Energy
SOUTH BEND, Ind., Nov. 15, 2022 — To cool buildings more efficiently, researchers at the University of Notre Dame and Kyung Hee University in South Korea developed a high-performance, transparent radiative cooler (TRC) using quantum annealing (QA) combined with artificial...
Light-Activated Molecular Motors Achieve Fluorescence
GRONINGEN, Netherlands, Nov. 14, 2022 — In their study of rotary molecular motors, researchers in the laboratory of Ben Feringa at the University of Groningen have combined two light-mediated functions — motion and fluorescence — within a single molecule. The advancement is...
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July 2024
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