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Research & Technology News

Modular Quantum Sensor Detects Brain Activity
BRIGHTON, England, June 14, 2021 — University of Sussex researchers have built and demonstrated a modular quantum sensor capable of recording brain signals. According to the researchers, their device is the first use a modular quantum sensor in the brain to detect a signal. The device uses ultrasensitive quantum sensors to pick up almost imperceptible magnetic fields within the brain to detect and map neural activity. “Our quantum sensor has to be exceptionally sensitive to pick up the magnetic fields in the brain,
Quantum Microscope Examines Cells in Unprecedented Detail
BRISBANE, Australia, June 11, 2021 — A quantum microscope developed at the University of Queensland can resolve cellular structures that would otherwise be impossible to see. The technology overcomes a significant barrier to furthering microscopy for biological imaging. According to...
Optical Element Could Enable Pocket Telescope
OTTAWA, Ontario, June 10, 2021 — A novel optical element will one day enable composite lenses and telescopes in a form factor small enough to fit in a pocket. The device, developed by Orad Reshef and Jeff Lundeen of the University of Ottawa, is called a spaceplate. Its function,...
Clinical, Commercial Applications Loom for Ultracompact On-Chip Spectrometer
NEW HAVEN, Conn., June 10, 2021 — An ultracompact, mid-infrared spectrometer that uses a 10-nm thick, single tunable black phosphorus photodetector shows promise as an on-chip device for sensing, surveillance, and spectral imaging. The device is the result of a collaboration among...
Extremely Bright Quantum Emitter Self-Heals
HSINCHU, Taiwan, June 10, 2021 — A new approach to synthesizing quantum dots has significantly increased their use value, according to members of an international research collaboration. The method, called spray-synthesis, was developed jointly by professor Hao-Wu Lin and associate...
Toshiba Demonstrates Breakthrough in Long-distance Quantum Communications
CAMBRIDGE, England, June 10, 2021 — Toshiba’s Cambridge Research Laboratory demonstrated quantum communications over optical fibers exceeding 600 km in length. The work leverages a technique called dual-band stabilization, and it marks a significant advance in quantum-encrypted...
Motion Blur Correction Method Will Bring High-Quality Imaging to Dark Environments
TOKYO, June 9, 2021 — Researchers from Tokyo University introduced a technique that addresses a limitation of single-photon imaging: motion. A team led by professor Takayuki Hamamoto developed an algorithm capable of addressing the blurring caused by the motion of an...
Fluorescence Microscopy Technique Images Brain at High Resolution
WASHINGTON, D.C., June 8, 2021 — A noninvasive brain imaging technique developed by researchers at ETH Zurich and the University of Zurich works in the near-infrared (NIR) spectrum to enable superresolution deep-tissue fluorescence microscopy at four times the depth limit imposed...
Low-Cost Synthetic Diamond Fabrication Could Step Up Quantum Tech
SYDNEY, June 8, 2021 — Using a thin tungsten layer as a restraining, conductive, removable hard mask, researchers at the University of Technology Sydney (UTS) developed a method for the fabrication of synthetic diamond. The developed material can be used for the photonic...
Photoacoustic Technology Images Brain with Laser Light
PASADENA, Calif., June 8, 2021 — Caltech professor Lihong Wang has demonstrated a technology capable of imaging the human brain with laser light and ultrasonic sound waves. The technology is known as PACT, for photoacoustic computerized tomography. First developed to image tissues...
Researchers Demystify Contradiction of Supermode Microcavity Lasers
BEIJING, June 7, 2021 — Stimulated scattering in supermode microcavities, such as Raman or Brillouin lasers, has proven useful for precision measurements by exploiting the beat note in their lasing spectra. The existence of the beat note (which corresponds to the energy...
Metamaterial Boosts Infrared Spectroscopy’s Sensitivity
DAEJON, South Korea, June 4, 2021 — A metamaterial absorber developed by researchers from the Korea Institute of Machinery and Materials (KIMM) under the Ministry of Science and ICT and UNIST is able to significantly enhance the detection of harmful substances or biomolecules. The...
Metamaterial Lets Light-Sheet Microscopes See in Superresolution
SAN DIEGO, June 4, 2021 — A hyperbolic metamaterial developed at the University of California, San Diego enables ordinary light-sheet microscopes to observe subcellular structures — in other words, enabling an ordinary light microscope to see in superresolution. The...
Deep Learning Bolsters Laser-Driven Ion Acceleration Study
LIVERMORE, Calif., June 3, 2021 — Researchers at Lawrence Livermore National Laboratory (LLNL) have applied neural networks to the study of high-intensity short-pulse laser-plasma acceleration, specifically for ion acceleration from solid targets. In most instances, neural networks...
Laser Experiment Shows Role of Memory in Stochastic Resonance
AMSTERDAM, June 3, 2021 — A laser experiment conducted by scientists at AMOLF (part of the Netherlands Organisation for Scientific Research) has enhanced understanding of the role of memory in stochastic resonance. Stochastic resonance describes the phenomenon in which a...
Hyperspectral Imaging, OCT Team to Detect Early Biomarkers of Alzheimer’s Disease
LEUVEN, Belgium, June 2, 2021 — A team of scientists and engineers from Katholieke Universiteit (KU) Leuven, Universitair Ziekenhuis (UZ) Leuven, and the research organization VITO, collaborating with the international research and development group imec, used imec’s...
Printable Device May Restore Sight to the Blind
SYDNEY, June 2, 2021 — An “artificial retina” developed at the University of Sydney may one day restore sight to the blind, according to its creator, Matthew Griffith of the Australian Centre for Microscopy & Microanalysis and the School of Aerospace,...
Open-Top Optofluidics Architecture Adds Flexibility, Increases Droplet Speeds
BELLINGHAM, Wash., June 1, 2021 — Optoelectrowetting (OEW) is a digital optofluidic technology based on the principles of light-controlled electrowetting that enables the actuation and manipulation of discrete droplets of liquid. In traditional OEW devices, droplets are sandwiched...
Study of Perovskites Uncovers New State of Matter
MONTREAL, June 1, 2021 — McGill University researchers set out to uncover the secrets of perovskite’s ability to act as a semiconductor, even with structural defects. In doing so, they have discovered what amounts to a new state of matter. Perovskites have garnered...
Lasers Cut Waste Leakage During Reactor Decommissioning
HANNOVER, Germany, May 31, 2021 — A laser-based cutting technique is able to reduce hazardous waste leakage by up to 95%, giving it application in the decommissioning of nuclear reactors. Researchers at Lazer Zentrum Hannover (LZH) developed and validated the process, successfully...
Ultrafast Time-of-Flight Imaging Combats Telescopes' Stray Light Problem
LIEGE, Belgium, May 31, 2021 — Researchers at Centre Spatial de Liege (CSL) of the University of Liege have advanced the field of space engineering through a newly developed, laser-based method for the identification of the contributors and origins of stray light on space...
Optical Rectennas Show Aptitude in Waste Heat Capture
BOULDER, Colo., May 27, 2021 — Researchers from the University of Colorado Boulder have developed optical rectennas (short for “rectifying antennas”) capable of capturing excess heat and turning it into usable electricity. The optical rectennas are too small to see...
Programmable 2D Nanomaterial Captures Artificial Light for Bioimaging
RICHLAND, Wash., May 27, 2021 — A light-harvesting nanomaterial inspired by the hierarchically structured biominerals in nature could be used to build artificial light-harvesting systems for bioimaging, photovoltaics, and other applications. Created by researchers at Pacific...
Deterministic Approach Reduces Error Potential in Freeform Design Process
BRUSSELS, May 26, 2021 — Researchers at Brussels Photonics (B-PHOT), Vrije Universiteit Brussel, Belgium developed a deterministic direct optical design method for freeform imaging systems. The method is based on differential equations derived from Fermat’s principle...
Technique Reveals Glass Surface Damage at the Nanolevel
UNIVERSITY PARK, Pa., May 26, 2021 — A spectroscopy technique has enabled the study of nanolevel imperfections in the surface of glass. The process could lead to improvements in glass products such as electronic displays and vehicle windshields, according to a team of international...

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