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Research & Technology News

Bio-Instrument Aims to Bring Life on Other Planets Into View
HONOLULU, July 11, 2022 — The Compact Color Biofinder, an imaging device developed by researchers at the University of Hawai’i at Manoa, demonstrated the ability to detect biofluorescence signals from trace amounts of organic matter from a distance of a few centimeters to 5 m. According to Sonia Rowley, a biologist on the development team for the Biofinder, the device’s capabilities enable accurate and noninvasive detection of contaminants such as microbes or extraterrestrial biohazards that come to or from
Self-Calibrating Optical Chip Supercharges Connectivity
MELBOURNE, Australia, July 11, 2022 — A self-calibrating photonic integrated circuit (PIC) developed by Monash University and RMIT scientists holds immense promise for the development of artificial intelligence and optical networking. The researchers said that their technology offers a...
Signal Sorting Method Suppresses Noise in STED Microscopy
BELLINGHAM, Wash., July 8, 2022 — Researchers from Zhejiang University have proposed a novel microscopy method that selectively and effectively suppresses background noise in the existing technique of stimulated emission depletion (STED) microscopy. Background noise is considered a...
High Harmonics Reveal Nonlinear Light-Matter Interaction Dynamics
HAMBURG, Germany, July 7, 2022 — Physicists from the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) have illuminated, with laser light, the atomic motions of atoms and electrons contained within a solid. In the theoretical study, the researchers outlined how a...
Imaging Technique Enables Gas Leak Tracking in 3D
HEFEI, China, July 7, 2022 — Researchers at the Anhui Institute of Optics and Fine Mechanics at the Chinese Academy of Sciences have developed a method to create a 3D image of a leaked gas cloud. The image provides detailed information about the leak, such as its location,...
High-Throughput Imaging Links Microbial Metabolism With Cell Identity
BOSTON, July 5, 2022 — An imaging platform for investigating microbiomes in medical and environmental samples can perform high-throughput metabolism and identity analyses with single-cell resolution. Called SRS-FISH, or stimulated Raman scattering two-photon fluorescence...
Team Challenges, Resolves Fundamental Rule Governing Light Propagation
JOHANNESBURG, July 4, 2022 — A study conducted by researchers at the University of the Witwatersrand (Wits) and collaborators from Mexico, Scotland, and the University of Pretoria aims to explains the rules governing the complex light propagation in complex media — media...
Wearable Sensor Uses Raman Spectroscopy for Chemical Analysis
TOKYO, July 4, 2022 — An ultrathin sensor spun from gold can be attached directly to the skin without irritation or discomfort. Developed by researchers at the University of Tokyo, the sensor is enabled by Raman spectroscopy and can measure different biomarkers or...
Single-Mode Semiconductor Laser Exhibits High Power, Scalability
BERKELEY, Calif., July 1, 2022 — A semiconductor laser developed by University of California, Berkeley (UC Berkeley) researchers accomplishes an elusive goal in the field of optics: the ability to maintain a single mode of emitted light while maintaining the ability to scale up in...
Ultrathin Light-Field Imaging Film Yields Vivid 3D Images
WASHINGTON, D.C., June 30, 2022 — Soochow University researchers developed an ultrathin film based on light-field imaging — a technology that creates 3D images by capturing the direction and intensity of all light rays in a scene. The 25-µm-thick film, which is made with...
Nonlinear Optical Sensor Avoids Precision/Speed Trade-Off
AMSTERDAM, June 29, 2022 — An optical measurement method devised by a team of AMOLF researchers aims to simplify and streamline the ability to capture measurements from signals that are barely larger than the noise contained in the same system. The newly introduced approach...
Light-Matter Coupling Makes Dark Semiconductor Glow
OLDENBURG, Germany, June 28, 2022 — Researchers from the University of Oldenburg have introduced a light-matter coupling mechanism to make the 2D semiconductor material tungsten diselenide (WSe2) glow — marking a step toward the control of the properties of matter through light...
Nanoparticles, Light-Matter Interactions Spur Datacom Developments
CANBERRA, Australia, June 27, 2022 — Physicists at Australian National University (ANU) have developed translucent metasurfaces, described as slides, that produce two distinct images by manipulating the direction in which light travels through them. The newly introduced technology uses...
Perovskite Cell, Test Method Set High Bar for Advancing Technology
PRINCETON, N.J., June 27, 2022 — Researchers at Princeton University have developed a perovskite solar cell device that can perform above industry standards, maintaining operation for approximately 30 years — compared to the widely used 20-year threshold for solar cell...
Air Lasing Augments Spectroscopic Method for Remote Detection
SHANGHAI, June 24, 2022 — Researchers at the Shanghai Institute of Optics and Fine Mechanics (SIOM) demonstrated how air lasing, a technique deployed in ambient air that is induced by femtosecond laser pulses and that generates cavity-free amplification in the air, could be...
AI, OCT Operate in Tandem to Detect Plaque Erosion in the Heart
CHENGDU, China, June 23, 2022 — Researchers from the University of Electronic Science and Technology of China have developed an AI method that can automatically detect plaque erosion in the heart’s arteries using optical coherence tomography (OCT). “If cholesterol...
Comparative Study Shows Efficacy of Fiber Laser Treatment for Pediatric Urinary Condition
BOSTON, June 23, 2022 — In a study examining endoscopic treatments for urinary stones in pediatric patients, researchers at Boston Children’s Hospital found that use of thulium fiber lasers may improve patient outcomes. The researchers compared results of laser...
Ultrafast Photonic Computing Processor Uses Polarization
OXFORD, England, June 22, 2022 — Researchers from the University of Oxford have developed a method using the polarization of light to maximize information storage density and computing performance using nanowires. Similar to how different wavelengths of light do not interact with...
Erbium-doped Amplifiers are Repackaged into Waveguide Form
LAUSANNE, Switzerland, June 21, 2022 — Researchers at École polytechnique fédérale de Lausanne (EPFL), led by professor Tobias J. Kippenberg, fabricated an erbium-doped waveguide amplifier on a compact photonic chip using erbium ion implantation and a silicon nitride...
European Initiative to Establish Standards for Diffuse Optics
BIRMINGHAM, England, June 20, 2022 — A collaboration between 12 European institutions aims to deliver performance assessment and standardization (PAS) in the field of diffuse optics (DO). DO analyzes how light is absorbed and scattered by biological tissues, using low-power...
Light-Activated Nanomachines Combat Bacterial Infections
HOUSTON, June 20, 2022 — Rice University researchers have developed visible-light-activated molecular machines that kill antibiotic-resistant bacteria in minutes by targeting the bacteria’s membranes. This approach to treating drug-resistant infections, which uses...
On-Chip Neural Network Classifies Images Almost Instantaneously
PHILADELPHIA, June 17, 2022 — An optical deep neural network integrated on a chip could be a significant advancement for image classification technology. Its on-chip neural network can recognize and classify an image in less than a nanosecond. Further, the photonic neural...
Microarray Formation Maximizes Quantum Dot Color Conversion
BEIJING, June 16, 2022 — To enhance the color conversion process of quantum dots for use in LEDs, micro-LEDS, near-field displays, and other devices, researchers from Beijing Institute of Technology have developed perovskite quantum dot (PQD) microarrays. The assembly...
Attosecond Spectroscopy Enables Observation of Atomic Phenomena
BERLIN, June 15, 2022 — Researchers from the Max Born Institute, University College London, and ELI-ALPS in Szeged, Hungary, demonstrated attosecond-pump attosecond-probe spectroscopy. Demonstration of the technique allowed the collaborators to study nonlinear multiphoton...
Light Beam Observation Extends Beyond Spectrum of Disorder
ROSTOCK, Germany, June 14, 2022 — Researchers from the University of Rostock and the Technion, Israel Institute of Technology demonstrated a mechanism that prevented lightwaves from spreading freely. The underlying physical effect was previously considered too weak to fully arrest...

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