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Education News
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 in situ hybridization, the technique is the result of a collaborative effort among researchers at Boston University, the University of Vienna, and Aalborg University. The imaging speed of SRS-FISH is 10 to 100 ms per cell. Using SRS-FISH, the
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...
STEM Programs Struggle to Satisfy the ‘Endless Demand’ for Photonics Talent
Jun 29, 2022 — Earlier this year, at a major recruitment event at the University of Arizona’s Wyant College of Optical Sciences (OSC), the job openings listed outnumbered students in attendance. This imbalance exemplifies the immense pressure STEM programs...
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...
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...
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...
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...
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...
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...
Deep Learning Enables Structured Light 3D Polarimetric Imaging
NANJING, China, June 13, 2022 — Researchers at Nanjing University of Science and Technology demonstrated a dual-frequency multiplexing fringe projection profilometry (FPP) technique that is enabled by deep learning. The researchers said their approach to FPP, which is a noncontact...
Yao Fan Awarded 2022 Teddi C. Laurin Scholarship
PITTSFIELD, Mass., June 10, 2022 — Yao Fan, a doctoral student at Nanjing University of Science and Technology (NJUST), was awarded the 2022 Teddi C. Laurin Scholarship for her contributions to the field of optics and photonics. Fan’s research interests include quantitative...
STMicroelectronics Makes Metasurface Tech from Metalenz Available to Consumers: Week in Brief: 06/10/22
NEW YORK, June 10, 2022 — S&P Dow Jones Indices announced that ON Semiconductor will replace IPG Photonics in the S&P 500. IPG Photonics will replace Yelp Inc. in the S&P MidCap 400. SANTA CLARA, Calif. — Integrated photonics company ANELLO Photonics...
Interferometry Provides Basis for LWIR Remote Thermal Imaging
PERTH, Australia, June 9, 2022 — Prototypes of microelectromechanical systems (MEMS)-based, fixed-cavity Fabry-Pérot interferometers (FPIs), developed by researchers at the University of Western Australia, could be used to enable lightweight, field-portable spectroscopic...
Fraunhofer Tests Lasers for Magnetic Field-Based Diagnostics
FREIBURG, Germany, June 8, 2022 — Researchers from the Fraunhofer Institute for Applied Solid State Physics (Fraunhofer IAF) demonstrated the principle of laser threshold magnetometry for the first time, they said. The Fraunhofer team is working to develop diamond-based laser...
Widened 3D Field of View Enhances OCT Diagnostic Imaging
WASHINGTON, D.C., June 8, 2022 — Researchers at Duke University developed an optical coherence tomography (OCT) technique that delivers high contrast and high resolution over a wide, 3D field of view. The enhanced OCT technique, called 3D optical coherence refraction tomography (3D...
Xanadu Brings Quantum Advantage to the People
TORONTO, June 3, 2022 — Quantum technology company Xanadu demonstrated quantum computational advantage using its Borealis photonic quantum computer. Borealis features 216 squeezed-state qubits, and it was demonstrated to outperform classical supercomputers in the...
Liquid Silica Resin Optimizes 3D Printing for Complex Micro-Optics
TUCSON, Ariz., June 1, 2022 — A liquid silica resin (LSR) developed by researchers at the University of Arizona has proven successful as a 3D-printing medium for complex micro-optics. The organic-inorganic hybrid material has shown high curing speeds, better mechanical...
Materials-Based Solution Accelerates Photonic Computing
ORLANDO, Fla., May 31, 2022 — Researchers at the University of Central Florida (UCF) have introduced a previously undescribed class of topological insulators. The researchers increased the speed and efficiency of light as it flows through photonic circuits, in a demonstration...
CMOS-Compatible Photodetector Spurs Possibilities in e-SWIR Band
MONTREAL, May 27, 2022 — High-bandwidth germanium-tin (GeSn) photodetectors, developed by a team at Polytechnique Montréal to support CMOS-compatible technologies in the extended shortwave infrared (e-SWIR) wavelength, could open the way for applications in ultrafast...
Photoacoustic System Enables Real-Time Neurovascular Imaging
DURHAM, N.C., May 27, 2022 — A photoacoustic imaging tool developed by Duke University researchers accommodates the need for both speed and comprehensive detail in neurovascular imaging. The imaging modality enables an approach to visualize whole-brain hemodynamics and...
Microscopy Methods Pair to Advance Nanoscale Superresolution Imaging
PITTSBURGH, May 24, 2022 — Researchers combined stimulated Raman scattering (SRS) with expansion microscopy to develop a single microscopy technique that achieves superresolution vibrational imaging at the nanoscale. A team from Carnegie Mellon and Columbia universities...
Researchers Deploy Metasurface Tech to Design of Encryption Devices
WASHINGTON, D.C., May 24, 2022 — Researchers from the University of St. Andrews in Scotland have developed a metasurface-based device that produces multiple distinct holographic images depending on the surrounding medium and the wavelength of light used. The ability to store...
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