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Research & Technology News

Fluorescent Caramel Prevents Product Counterfeiting
POTSDAM, Germany, June 13, 2023 — The counterfeiting of electronics, certificates, and medicines causes billions of dollars in economic losses worldwide every year. According to current estimates from the World Health Organization (WHO), counterfeit medicines account for €73 billion ($78 billion) in annual sales. Half of counterfeit medicines are obtained through unauthorized online mail-order companies, according to the organization. Six different artificial fingerprint patterns provided with different
Breakdown Spectroscopy Modifications Set Sensitivity Benchmarks
SHANGHAI, June 7, 2023 — Researchers at East China Normal University have developed a trio of techniques to elevate the sensitivity of ultrafast laser-induced breakdown spectroscopy (LIBS). The techniques — plasma grating-induced breakdown spectroscopy (GIBS),...
Inspection Technology Incorporates AI to Detect Defects in Real Time
DRESDEN, Germany, June 6, 2023 — Researchers at the Fraunhofer Institute for Material and Beam Technology IWS have developed SURFinpro, a solution that uses artificial intelligence and optical measurement technology to detect, classify and visualize defects in real time, and report...
Metasurface Spectrometer Points to On-Chip Integration
EDINBURGH, Scotland, June 5, 2023 — Spectrometers typically use optical elements such as diffraction gratings and prisms to achieve the dispersion necessary to measure the properties of light over a specific portion of the spectrum. The use of free-space optical elements, along with...
Beamsplitter Benefits from Topological Antichiral Edge States
GUANGZHOU, China, May 29, 2023 — Recent research has investigated novel approaches to beam-splitting in the context of topological photonics. Several beam-splitting mechanisms have been proposed relying on different topological states such as chiral edge states, valley-locked edge...
Scientists Develop Nano-sized N-Slit Quantum Interferometers
ROCHESTER, N.Y., May 29, 2023 — Researchers led by physicist F.J. “Frank” Duarte — credited with the 1993 invention of the N-slit laser interferometer — have designed practical N-slit quantum interferometers in the nanometer domain. The work, which the...
Sensor Uses Color Encoding for 3D Scene Reconstruction
SINGAPORE, May 26, 2023 — Researchers at the National University of Singapore (NUS) developed a light-field sensor that detects 3D light fields across the x-ray to visible light spectrum. The sensor relies on a pixelated color conversion strategy that is based on perovskite...
Atomic Layer Deposition System
CORVALLIS, Ore., May 25, 2023 — According to the U.S. Department of Energy (DOE), a data center can consume up to 50× more energy per square foot of floor space than a typical office building. Data centers account for roughly 2% of all electricity use in the U.S., according...
Team Engineers Visible Wavelength Metalenses for Mass Production
POHANG, South Korea, May 25, 2023 — Researchers at Pohang University of Science and Technology (POSTECH) have demonstrated the mass production of metalenses for visible light wavelengths on a wafer scale. The researchers combined photolithography and nanoimprint lithography. Where...
Cell Manipulation Technique Enters into Commercial Market
MUNICH, May 23, 2023 — In cell biology and medical imaging, the targeted manipulation of cells under controlled conditions is a major challenge in understanding processes and causal relationships. Researchers are dependent on tools that enable them to manipulate...
QCI Looks to Acquire Emotionally Intelligent AI Platform
LEESBURG, Va., May 23, 2023 — Full-stack photonic-based quantum computing and solutions company Quantum Computing Inc. (QCI) has signed a letter of intent to acquire up to 100% of AI firm millionways. The letter follows the teaming and combining of millionways’ AI sensing...
Ultrasmall Silicon LED Enables High-Resolution Integrated Imaging
SINGAPORE, May 22, 2023 — Researchers at the Singapore-MIT Alliance for Research and Technology (SMART) developed a CMOS-based silicon LED that, though smaller than a wavelength, emits light at an intensity comparable to much larger silicon LEDs. In a separate study, the...
Image-Free Single-Pixel Detection Finds Play in Autonomous Mobility
BEIJING, May 19, 2023 — Researchers from the Beijing Institute of Technology have developed a high-speed method to detect the location, size, and category of multiple objects without acquiring images or requiring complex scene reconstruction. The technique, which uses a...
FPGA-Based Data Compression Drives Brain Imaging Performance Gains
EDINBURGH, Scotland, May 17, 2023 — To help broaden the use of single-photon avalanche diode (SPAD) cameras for multispeckle diffuse correlation spectroscopy (DCS), researchers at the University of Edinburgh developed a data compression scheme for a large-pixel-count SPAD camera using...
High-Speed Two-Photon Microscopy Captures Rapid Bio Processes In Vivo
SUZHOU, China, May 15, 2023 — Two-photon microscopy (TPM) enables deep tissue imaging of complex biological processes at high resolution. However, the ability to visualize some biological processes, such as neural activity at the sub-millisecond scale, requires high-speed...
Photoswitchable Materials Streamline Thermal Regulation
SANTIAGO DE COMPOSTELA, Spain, May 12, 2023 — The design and development of functional materials with tunable thermal conductivity — for example, to ensure the thermal dissipation in microelectronics devices — is necessary to prevent such devices from overheating. The ability to...
Light from Electrically Driven QDs Shines on Silicon Photonics
LOS ALAMOS, N.M., May 11, 2023 — Scientists at Los Alamos National Laboratory (LANL) demonstrated amplified spontaneous emission (ASE) from electrically pumped colloidal quantum dots (CQDs). The CQD-based lasing devices, developed after many years of work by the LANL team, use...
Paper-Based Test Scans for Multiple Biomarkers in Human Serum
LOS ANGELES, May 11, 2023 — Researchers led by UCLA professor Aydogan Ozcan developed a deep learning-enabled biosensor for multiplexed, point-of-care (POC) testing of disease biomarkers. POC biosensors provide remote and resource-limited communities with an economical,...
Fully Submerged Quantum Lidar Device Acquires 3D Images
EDINBURGH, Scotland, May 9, 2023 — Researchers in the U.K. have demonstrated a lidar system that uses quantum detection technology to acquire 3D images while submerged underwater. The sensitivity of this system could allow it to capture detailed information even in extreme low-light...
Optical Neural Nets Speed Image Processing
ITHACA, N.Y., May 5, 2023 — Researchers at Cornell University have developed an optical neural network (ONN) that can filter relevant information from a scene before the visual image is detected by a camera. The method will enable faster, smaller, and more energy-efficient...
Raising Light Frequencies Makes Nanosized Objects Visible
CANBERRA, Australia, May 3, 2023 — Researchers at Australian National University (ANU) and the University of Adelaide are using nanotechnology to increase the frequency of the light that can be detected by cameras and other technologies by up to seven times. There is significant...
Mobile-Based Image Reconstruction App Can Be Used at Point of Care
AMES, Iowa, May 2, 2023 — A mobile phone application for photoacoustic tomography (PAT) image reconstruction has demonstrated performance comparable to that of applications implemented on laptop computers and workstations. The first-of-its-kind application was developed by a...
Mobile Sensor-Scanner Gauges Engine Condition Indicators in 3D
JENA, Germany, May 1, 2023 — Researchers at the Fraunhofer Institute for Applied Optics and Precision Engineering IOF (Fraunhofer IOF) have developed a portable sensor-scanner for building comprehensive 3D models of complex structures such as aircraft engines. The Fraunhofer...
Optical Computing Reduces Energy Requirements for Crypto Mining
STANFORD, Calif., May 1, 2023 — Researchers from Stanford University have developed a light-based computing scheme that uses a photonic integrated circuit to reduce the energy needed for cryptocurrency and blockchain applications. Mining cryptocurrency such as Bitcoin — a...
Three-Detector Scheme Resolves More Than 100 Photons
NEWPORT NEWS, Va., April 28, 2023 — Researchers at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility have demonstrated the application of a photon-number-resolving system to accurately resolve more than 100 photons. Individual detectors today can...

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