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Research & Technology News
Robotic System Makes Precision Surface Measurements
VIENNA, Aug. 30, 2021 — Researchers at the Technical University of Vienna (TU Wien) have developed a lightweight optical system for 3D inspection of surfaces with micron-scale precision. The measurement tool could greatly enhance quality control inspection for high-tech products, including semiconductor chips, solar panels, and consumer electronics such as flat-panel televisions. To create a system capable of operating in the vibration-prone environment of an industrial manufacturing plant, the team, headed
Team Develops Scalable Quantum Computing Model
CHARLOTTESVILLE, Va., Aug. 30, 2021 — Researchers at the University of Virginia developed a scalable quantum computing platform, which drastically reduces the number of devices needed to achieve quantum speed, on a photonic chip the size of a penny. Xu Yi, assistant professor of...
Elliptical Polarization Uses Laser Beams to Move Atoms in a Vacuum
BONN, Germany, Aug. 27, 2021 — Researchers at the University of Bonn have developed a method that significantly shortens the time required to be able to transport individual atoms via laser light in a vacuum. To perform quantum experiments, individual atoms need to be transported...
Imaging System Enables Early Detection of Bowel Cancer
KONGENS LYNGBY, Denmark, Aug. 26, 2021 — An international research team called PROSCOPE has developed a multimodal optical imaging system capable of detecting bowel cancer at an early stage. The system, which is designed to be fitted to an endoscope, can give clinicians the ability to zoom...
Metasurfaces Offer Full Control of Light Polarization
CAMBRIDGE, Mass., Aug. 26, 2021 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Science have developed metasurfaces capable of manipulating the polarization of light with an unprecedented degree of control. “This research shows that the ability...
Applications for Portable Optical Gas Analyzer Range from Volcanos to Sewers
HAMAMATSU, Japan, Aug. 25, 2021 — Hamamatsu Photonics and the National Institute of Advanced Industrial Science and Technology (AIST) in Tokyo collaborated on an all-optical, portable gas monitoring system for predicting volcanic eruptions with a high degree of sensitivity. In...
Laser Cutter Differentiates Among Materials
CAMBRIDGE, Mass., Aug. 24, 2021 — A laser cutting system developed by researchers at MIT can detect and differentiate materials, to make informed cutting decisions. The system, called SensiCut, could increase the capabilities of laser cutting systems in applications that involve...
Superconducting Nanowire Single-Photon Detectors Excel in DCS Applications
BOSTON, Aug. 24, 2021 — Researchers from Massachusetts General Hospital and MIT Lincoln Laboratory have developed a superconducting nanowire single-photon detector (SNSPD)-based diffuse correlation spectroscopy (DCS) device. The instrument demonstrated a high...
Photonic Security System's Holograms Prevent Forgery
POHANG, South Korea, Aug. 23, 2021 — Forgeries could become next to impossible with a two-level encrypted holographic security device, built by researchers at Pohang University of Science and Technology (POSTECH). The platform for the technology is a bifunctional, pixelated metasurface...
Hybrid Additive Manufacturing Process Improves Coatings
AACHEN, Germany, Aug. 20, 2021 — A team at the Fraunhofer Institute for Production Technology (IPT) has introduced an additive manufacturing (AM) process that combines wire-based and powder-based laser cladding. According to the team, the hybrid process produces protective tool...
Theoretical Advancement Enables Unprecedented Wave Control
ITHACA, N.Y., Aug. 20, 2021 — Cornell researchers have proposed a new way to modulate the absorptive and the refractive qualities of metamaterials in real time, and their findings open new opportunities to control, in time and space, the propagation and scattering of waves for...
Photoacoustic Imaging Technique Detects Arterial Plaques
EAST LANSING, Mich., Aug. 19, 2021 — Researchers at Michigan State University (MSU) used light-activated nanoparticles and photoimaging to locate and image cells found in the arteries, cells that could lead to heart attacks and strokes. MSU professor Bryan Smith and his team worked...
Quantum Computer Platform Uses Optical Fiber to Perform at Room Temperature
KONGENS LYNGBY, Denmark, Aug. 18, 2021 — A team at the Technical University of Denmark (DTU) has developed what it calls a “complete platform” for an optical quantum computer. The platform is universal and scalable, the team said, and takes place at room temperature. The...
LLNL Experiment Reaches Threshold of Nuclear Fusion Ignition
LIVERMORE, Calif., Aug. 17, 2021 — An experiment at the Lawrence Livermore National Laboratory (LLNL) National Ignition Facility (NIF) has triggered ignition for the first time. Ignition is the process that amplifies energy output from nuclear fusion and that could provide an avenue...
Chromium Complex Emits Light in the Coveted NIR-II Range
BASEL, Switzerland, Aug. 17, 2021 — A team of Swiss scientists has developed the first chromium complex that emits light in the NIR-II (1000 to 1700 nm) range. The scientists achieved an NIR-II luminescence of 1067 nm by strengthening the metal-ligand bond covalence in the complex....
Luminescent Manganese Complexes Show Promise for Sustainable Displays
BASEL, Switzerland, Aug. 17, 2021 — In their quest to produce more-sustainable luminescent materials and catalysts for the conversion of sunlight into other forms of energy, University of Basel researchers have developed a class of compounds based on manganese. The metal is more...
Study on Thin-film Glass Reveals Liquid Phase
STATE COLLEGE, Pa., Aug. 13, 2021 — Researchers at Penn State have shown a previously undescribed liquid phase in thin films of a glass-forming molecule. The work shows how thin films of glass can be fabricated to be denser and more stable, and it provides a framework for new...
Deep Learning-Trained Neural Network Reconstructs OCT Images
LOS ANGELES, Aug. 12, 2021 — A team of UCLA and University of Houston (UH) scientists, led by Aydogan Ozcan in collaboration with Kirill Larin, used deep learning to train a neural network to rapidly reconstruct OCT images using undersampled spectral data. Although the...
Metamaterials Work Expands Capabilities for Myriad Applications
ITHACA, N.Y., Aug. 11, 2021 — Researchers at Cornell University have proposed a method to modulate both the absorptive and refractive qualities of metamaterials in real time. Their findings present new opportunities to control — in both time and space — the...
Multifocal Imaging Algorithm Tracks Bio Processes in High-Resolution 3D
BONN, Germany, Aug. 11, 2021 — A 3D reconstruction method, developed by researchers at the ImmunoSensation2 Cluster of Excellence at the University of Bonn, the University Hospital, and the Center for Advanced European Studies and Research (caesar), uses multifocal imaging (MFI)...
Smart Device-Enabled Optical Breathalyzer Checks Blood Alcohol Levels
QUEBEC CITY, Aug. 11, 2021 — Researchers at Laval University are developing an optical breathalyzer that can be integrated into the screen of a mobile device. This technology could provide an accessible, inexpensive way to check blood alcohol content (BAC) and reduce...
Single-Spin Color Centers in SiC Cue Up Potential for Quantum Storage Advances
HEFEI, China, Aug. 10, 2021 — A group at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) achieved the high-contrast readout and coherent manipulation of a single silicon carbide divacancy color center electron spin at room...
Smart Necklace Tracks Facial Expressions
ITHACA, N.Y., Aug. 10, 2021 — Cornell University researchers have developed a smart necklace wearable device capable of tracking facial expressions using light. The device, NeckFace, continuously tracks full facial expressions using infrared cameras to capture images of the chin...
Tweezers Enable Dynamic Control of Single Nanoscale Quantum Objects
NASHVILLE, Tenn., Aug 9, 2021 — Led by Justus Ndukaife, assistant professor of electrical engineering, Vanderbilt researchers have introduced an approach for trapping and moving a single colloidal nanodiamond with nitrogen-vacancy center using a low-power laser beam. The width of...
Photoacoustic Device Modulates Single Neurons with High Spatiotemporal Resolution
BOSTON, Aug. 6, 2021 — An instrument developed at Boston University (BU) could advance fundamental knowledge in the field of neuroscience and lead to treatments for neurological diseases. The tapered fiber optoacoustic emitter (TFOE) uses the optoacoustic effect to enable...
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