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education News
Modified Raman Microscopy Technique Reveals Molecular Orientation Patterns
GAITHERSBURG, Md., Dec. 27, 2022 — Researchers at the National Institute of Standards and Technology (NIST) have developed a way to measure the 3D orientation of molecules within a material made of polymers. The measurement technique — based on broadband coherent anti-Stokes Raman scattering (BCARS) microscopy — will enable scientists to identify molecular orientation patterns that produce the mechanical, optical, and electrical properties that they seek for optimized materials to be used in medical devices and
Terahertz Microscopy Could Boost Performance of Perovskite
AMES, Iowa, Dec. 26, 2022 — To better evaluate perovskite solar cell material(s), scientists at the U.S. Department of Energy’s Ames National Laboratory developed a microscope that simultaneously images at the terahertz (THz) frequency and nanometer spatial scales....
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...
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...
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...
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...
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...
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...
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...
Pump Laser Modules Show Promise for Ophthalmologic Treatments
BERLIN, Nov. 11, 2022 — Researchers at the Berlin-based Ferdinand-Braun-Institut (FBH) developed a pump laser module for ophthalmologic treatments. The module offers a cost-effective pump source for laser systems that are used to treat retinal detachments. The miniaturized...
Modeling Microsphere Effects on Interferometric Resolution
KASSEL, Germany, Nov. 10, 2022 — Though microspheres — microscale spherical particles that can be manufactured from natural and synthetic materials — are known to improve lateral resolution and enhance magnification in microscopic imaging, a generally accepted...
Miniaturized Spectrometer Proves Fit for Compact Electronics
ST. GALLEN, Switzerland, Nov. 9, 2022 — Scientists in Europe have collaborated to develop an ultracompact spectrometer design that offers large bandwidth, moderate spectral resolution, and a spectral sensitivity in the infrared (IR) region. According to the team, its design for a...
NIH Grant Supports Portable OCT Detection of Jaundice in Newborns
NASHVILLE, Tenn., Nov. 8, 2022 — A smartphone-based system that relies on OCT to detect jaundice in newborns will be put to use diagnosing very young patients in the U.S. and Nigeria, thanks to a nearly $500,000 grant from the National Institutes of Health (NIH). The NIH awarded...
Optical Interfaces Could Stimulate Nerve-driven Activity
SYDNEY, Nov. 3, 2022 — Engineers at the University of New South Wales (UNSW Sydney) demonstrated an approach to measure neural activity using light. The team’s optical sensors, called optrodes, achieved accurately registers of the neural impulses traveling along a...
3D-Printed Achromatic Metalens Brings Fiber Imaging Into Focus
JENA, Germany, Nov. 2, 2022 — Because light of different wavelengths is shaped and refracted differently, lenses located on the end faces of optical fibers can experience strong chromatic aberration. Chromatic aberration can lead to a shift in the focal point and blurred imaging...
Investment Propels ColdQuanta Into Asia-Pacific Quantum Landscape
MELBOURNE, Australia, Oct. 31, 2022 — A 29 million AUD ($18.5 million) investment into Colorado-based quantum technology company ColdQuanta from the government of the State of Victoria, Australia, via its Breakthrough Victoria Fund, will help to establish an Asia-Pacific quantum...
Frequency Comb Advancement Improves Speed, Precision of Measurements
GAITHERSBURG, Md., Oct. 27, 2022 — Researchers at NIST have developed a method to enable frequency combs to measure light pulse arrival times with greater sensitivity than was previously possible — potentially improving measurements of distance, along with applications such as...
Nobel Prize-Winning Techniques Help Resolve Imaging Challenge
ITHACA, N.Y., Oct. 27, 2022 — Using a technique that was recently awarded the 2022 Nobel Prize in chemistry, researchers at Cornell University used expansion microscopy to study lipids, the water-repellent, dynamic components that comprise the walls of cells and organelles. The...
Optics Accelerates Deep Learning Computations on Smart Devices
CAMBRIDGE, Mass., Oct. 26, 2022 — MIT researchers have created a method for computing directly on smart home devices that drastically reduced the latency that may cause such devices to be delayed in offering a response to a command or an answer to a question. One reason for this...
Multicolor Laser Expands Integrated Photonics Landscape
ROCHESTER, N.Y., Oct. 25, 2022 — Though integrated semiconductor lasers have been at the core of integrated photonics, enabling many advancements over the last few decades in information technologies and basic science, integrated lasers continue to lack key functions that are...
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