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Education News
Microlens Avoids Cross-Phase Modulation, Allows Live-cell Imaging
THUWAL, Saudi Arabia, Oct. 6, 2020 — King Abdullah University of Science and Technology (KAUST) researchers developed an ultrathin stimulated Raman scattering (SRS) lens that will simplify and improve the quality of molecular-level microscopic analysis by alleviating a prevalent drawback of SRS microscopy. The optical device, which resembles a miniaturized lighthouse lens, combats the likelihood that intense interactions between laser pulses and samples under observation will generate cross-phase modulation — a background
Remote Sensing Technology Images Groundwater Stores
SAN DIEGO, Oct. 5, 2020 — Researchers at the University of California, San Diego (UC San Diego) are deploying remote sensing technology called InSAR to gain insights into sustainable groundwater in the San Joaquin Valley. The satellite-based InSAR (for “interferometric...
Extreme UV Source Facility Opens for Use
TOKYO, Oct. 1, 2020 — University of Tokyo researchers have established a high-frequency laser source facility located at the university that enables investigation of time-dependent phenomena such as ultrafast chemical reactions and fast-acting biological processes. The...
NIH Grant Supports Light, Ultrasound Combination in Breast Imaging
BUFFALO, N.Y., Sept. 30, 2020 — National Institutes of Health (NIH) funding to SUNY Buffalo is supporting the college’s development of a portable breast imaging device called a dual scan mammoscope (DSM). By pairing light with ultrasound technology, the imaging system...
SBI, Theragnostics Agreement Will Accelerate Fluorescence-Based Oral Cancer Diagnoses
NEW YORK, Sept. 30, 2020 — An agreement signed this month is poised to broaden the scope and application of fluorescence-labeled poly ADP-ribose polymerase (PARP) inhibitors in cancer detection and diagnostics. Summit Biomedical Imaging (SBI), a clinical stage developer of...
Low-light Photodetector Senses Shades from UV to NIR
MELBOURNE, Australia, Sept. 23, 2020 — Researchers at RMIT University (Australia) introduced a hyper-efficient broadband photodetector capable of imaging all shades of light between the UV and near-infrared ranges and is at least 1000× thinner than existing commercially available...
Spinout BioPixS to Harness Photonic Phantoms
CORK, Ireland, Sept. 23, 2020 — The Irish Photonic Integration Centre’s Science Foundation Ireland (IPIC SFI) Research Centre, University College Cork (UCC) Innovation, and Tyndall National Institute have launched BioPixS, a collaboration aimed at translating the latest in...
Low-Energy Light Invigorates Polymer Object Production Process
RALEIGH, N.C., Sept. 21, 2020 — Visible yellow and green light are central to a process that researchers from North Carolina State University used to produce polymer gel objects from pure monomer solutions. After dissolving zinc meso-tetraphenylporphyrin (ZnTPP) into pure monomers...
Silicon Photonics Drives Ultrasmall Ultrasound Detector
MUNICH, Sept. 18, 2020 — A base of miniaturized photonic circuits, undetectable to the human eye and assembled on top of a silicon chip, has enabled a German research team to develop an ultrasound detector they say is the smallest in existence. The detector is 100×...
Versatile Spectroscopy System Acquires Data at Exceptional Speeds Across Platforms
WASHINGTON, D.C., Sept. 18, 2020 — Electro-optic combs operating at gigahertz pulse rates have enabled a dual-comb spectrometer capable of acquiring data at exceptionally high speeds to perform linear absorption spectroscopy on gases of different pressure. Though the experiments are...
Synthetic Magnetic Field Uses Metasurfaces to Manipulate Photons
EXETER, England, Sept. 17, 2020 — Researchers at the University of Exeter have developed a way to manipulate light with a “synthetic” Lorentz force — which is responsible in nature for a number of phenomena such as the aurora borealis. The technique allows the...
Microwave Photonic Filters Reconfigured Without an External Device
LAUSANNE, Switzerland, Sept. 14, 2020 — Researchers from École Polytechnique Fédérale de Lausanne’s (EPFL) have developed a method of reconfiguring microwave photonic filters without the need for an external device. The research may enable more compact,...
Luminate NY Innovation Finals Showcase Range and Depth of Photonic Innovation
ROCHESTER, N.Y., Sept. 11, 2020 — For the first time, Luminate NY is holding its Innovation Finals Competition in a virtual format, at an event on the opening day of The Optical Society’s (OSA) Frontiers in Optics + Laser Science Conference (FiO + LS) Sept. 14-17. Finalists...
Ultrafast Yellow Laser Ramps Up the Power for Biomedical Applications
AHMEDABAD, India, Sept. 11, 2020 — Researchers at the Physical Research Laboratory at Gujarat University have developed a compact and ultrafast high-power yellow laser. The tunable laser shows excellent beam quality, helping fill a need for a practical yellow light source emitting...
All-Glass Fiber Optic Sensor Measures Force on Miniature Objects
WASHINGTON, D.C., Sept. 10, 2020 — A team of researchers has designed a tiny fiber optic force sensor, approximately equal in diameter to a human hair, capable of measuring extremely slight forces exerted by small objects. The light-based sensor is made of silica glass formed into a...
Potential of Periodic Array System Supports Nanophotonics Applications
ALBUQUERQUE, N.M., Sept. 7, 2020 — A research team from the University of New Mexico (UNM) and the Autonomous University of Madrid has applied periodic arrays containing nanoparticles of different sizes — as opposed to more conventional arrays that contain nanoparticles of a...
Intravital Imaging Provides Insight into Liver Disease Progression
DAEJEON, South Korea, Sept. 3, 2020 — The high-resolution, 3D-viewing capabilities provided by a new microscopy method from the Korea Advanced Institute of Science and Technology (KAIST) could lead to insights into nonalcoholic fatty liver disease (NAFLD), a condition in which too much...
Structural Color Production Process Supports Soft Photonics Applications
LUXEMBOURG, Sept. 3, 2020 — By coating droplets of an aqueous solution of hydroxopropyl cellulose with silica nanoparticles, and placing these “liquid marbles” inside an organic solvent, scientists have successfully made and displayed structural colors from...
Cough-Recognition Camera Distinguishes Sounds Based on Deep Learning
DAEJEON, South Korea, Sept. 2, 2020 — The Korea Advanced Institute of Science and Technology (KAIST) and SM Instruments have developed a deep learning-based cough-recognition model that recognizes cough sounds in real time, and a camera that can track and record the sound of coughing...
Ultrafast Terahertz Magnetometry Could Enable Heat-Free Magnetism Control
BIELEFELD, Germany, Sept. 1, 2020 — Physicists have precisely measured the ultrafast change in a magnetic state in materials by observing the emission of terahertz (THz) radiation that accompanies such a change in magnetization. An international research team that included scientists...
Miniaturized Modulator Increases Potential of Photonic Integrated Circuits
ROCHESTER, N.Y., Aug. 31, 2020 — Photonic integrated circuits promise greater speed, bandwidth, and efficiency than traditional electrical circuits, but they’re not yet small enough to be used broadly in computing and other applications. To achieve energy efficiency and...
Raman Spectroscopy Adapted for Hazardous Material Sites
DALLAS, Aug. 31, 2020 — A new Raman spectroscopic system designed by Jacobs and IS Instruments is able to detect a weak laser signal even when located meters away from a target. The system increases safety and lowers cost when used to detect hazardous materials, such as...
Two-Photon Comb Technique Supports 20-km Distribution for Quantum Communication
YOKOHAMA, Japan, Aug. 31, 2020 — In telecom networks connected by fiber optic cable, transmitted photons tend to be absorbed by the material that comprises the cable after traveling just a few kilometers. To prevent the signal from deteriorating, repeaters are placed at regular...
Perovskite Study Correlates Phase Transition and Photoluminescence
CLEMSON, S.C., Aug. 28, 2020 — Three research teams at Clemson University joined forces to study the phase transition in nanocrystal (NC) perovskites and the correlation between phase transition and photoluminescence (PL). The researchers studied NCs that included chlorine...
Industrial Laser Generates Attosecond Light
ORLANDO, Fla., Aug. 27, 2020 — Researchers at the University of Central Florida (UCF) showed that industrial-grade lasers can be used to generate attosecond pulses. “One of the main challenges of attosecond science is that it relies on world-class laser facilities,”...
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