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Research & Technology News

Optogenetics Approach Delivers Precision Necessary to Study Bacteria in the Gut
HOUSTON, Jan. 8, 2021, — Researchers in Texas have succeeded in effectively turning gut bacteria inside the intestines of worms “on” and “off” by applying different colors of light, via an optogenetic control mechanism. The work helped the research team led by Baylor College of Medicine’s Meng Wang and Rice University’s Jeffrey Tabor show that colanic acid (CA), a metabolite, is produced by intestinal bacteria, rather than digested in the stomach. Previous research conducted by
Technique Enhances Effect of Fluorescence Lifetime Microscopy
TOKUSHIMA, Japan, Jan. 7, 2021 — Researchers from Tokushima University have developed a method of fluorescence lifetime microscopy that does not require mechanical scanning. The technique drastically increases the effectiveness of fluorescence lifetime microscopy (FLIM). A major...
Camera-processor Chip Brings Computer Vision Closer to Natural Perception
BRISTOL, England, Jan. 6, 2021 — Taking their cues from nature, researchers at the University of Bristol and the University of Manchester are developing methods for increasingly intelligent cameras for AI systems. Applications for the cameras span autonomous vehicles and other...
Moiré Metasurfaces Extend Focal Length Tunability
TOKYO, Jan. 6, 2021 — Researchers form Tokyo University of Agriculture and Technology (TUAT) have demonstrated that moiré metalenses can tune focal length along a wider range than previously seen. Moiré metalenses are tiny patterned lenses composed of...
Etched Titania Films Could Speed Production of Integrated Photonics
TOKYO, Jan. 5, 2021 — Tokyo Metropolitan University researchers have achieved high-throughput production of thin, ordered, titania through-hole membranes. The method relies on anodization — a process that increases the thickness of a natural oxide layer on the...
Hyperfluorescent OLED Produces Pure, Efficient Blues
FUKUOKA, Japan, Jan. 5, 2021 — Researchers at Kyushu University have introduced a blue light source that could lead to more efficient OLED displays, while, at the same time, emitting blue light without compromise to the quality or purity of the light. The light source is based on...
Microscopy Method More Sensitive for Viewing Live Cells
TOYKO, Jan. 4, 2021 — Researchers from the University of Tokyo have developed a way to increase the extent and types of information they are able to ascertain about the insides of living cells by using existing microscopy techniques. Their method does not require...
Hollow-core Fibers Improve Stability of Light-Based Gyroscopes
WASHINGTON, D.C., Dec. 29, 2020 — Researchers at the University of Southampton’s Optoelectronics Research Centre, collaborating with researchers from Honeywell, have applied nodeless antiresonant fibers (NANFs) — a distinct class of hollow-core optical fiber with low...
Imaging Techniques Deconstruct Clues in Ancient Jewish Parchment
MAGURELE, Romania, Dec. 29, 2020 — Using multiple imaging techniques, including hyperspectral imaging and Fourier transform infrared (FTIR) spectroscopy, researchers at Romania’s National Institute for Research and Development in Optoelectronics have gleaned historical...
Scientists Spin Graphene and Gold into Terahertz Waves
DRESDEN, Germany, Dec. 29, 2020 — A German-Spanish research team has developed a graphene-based approach for increasing the efficiency with which the scientists were able generate terahertz pulses. In the system, the researchers coated a graphene sheet with a metallic lamellar...
Chromacity, Heriot-Watt Collaborate on Research, Commercialization Initiatives
EDINBURGH, Scotland, Dec. 28, 2020 — Ultrafast laser manufacturer Chromacity and Heriot-Watt University have formalized a five-year partnership, enhancing the collaborators’ existing relationship. The agreement positions Chromacity to commercialize Heriot-Watt-led academic...
Manufacturing Fiber Optic Glass Under Pressure
STATE COLLEGE, Pa., Dec. 28, 2020 — Silica glass for fiber optics applications may perform better when manufactured under high pressure, according to research from Penn State and AGC Inc. in Japan. Researchers demonstrated that doing so reduced signal loss in the material. John C....
Synthetic Aperture Phase Microscopy Enables Subcellular Imaging
HONG KONG, Dec. 28, 2020 — Researchers at The Chinese University of Hong Kong (CUHK) have developed a phase-reliant method of synthetic aperture microscopy (SAM). The method, introduced as “high spatial and temporal resolution synthetic aperture phase microscopy,”...
Endoscope Designed to Image 3D Visible, Near-Infrared Ranges
BEIJING, Dec. 24, 2020 — Researchers from the Chinese Academy of Science developed an endoscope capable of acquiring 3D visible light and near-infrared fluorescence images at the same time. The optical design combined high-resolution 3D imaging capabilities with the ability...
Nonlinear Beam Cleaning Developed for Mode-Locked Lasers
LAUSANNE, Switzerland, Dec. 22, 2020 — Researchers from École Polytechnique Fédérale de Lausanne (EPFL) have developed a method of nonlinear beam cleaning in a multimode laser cavity. The technique establishes a new approach for the generation of high-energy...
Chip-Based Source Creates Entangled Photons 100x More Efficiently
HOBOKEN, N.J., Dec. 21, 2020 — In pursuit of a fast and efficient source of entangled photon pairs necessary for quantum computing and ultrafast communications, researchers from Stevens Institute of Technology have developed a chip-based source capable of producing entangled...
Duke Researchers Take Aim at Neural Network Bias
DURHAM, N.C., Dec. 18, 2020 — A team of researchers at Duke University is addressing issues of transparency when it comes to the deep learning methods of neural computer vision systems. A technique the team has introduced aims to help to understand potential errors and biases in...
Photoacoustic Tech Allows Airborne Underwater Imaging
STANFORD, Calif., Dec. 17, 2020 — An airborne photoacoustic imaging system developed at Stanford University could aid in biological marine surveys and the search for sunken ships. The device is able to break through the threshold between air and water, which had previously been a...
Physics Helps Realize Efficient Electro-Optical Materials
WEST LAFAYETTE, Ind., Dec. 16, 2020 — A physics advance introduced by Purdue University researchers paves the way toward the creation of more efficient metamaterials. By using semiconductors and by amplifying electron activity, the researchers achieved a 60% improvement in operational...
Raman Holography Has Implications for Live Cell, Tissue Interrogation
CASTELLDEFELS, Spain, Dec. 16, 2020 — Researchers from the Institute of Photonic Sciences (ICFO) have successfully demonstrated holographic Raman microscopy. The technology is poised to support wide-ranging applications, from live cell and tissue interrogation to, potentially,...
3D-Printed Lens Design Improves Data Transfer Possibilities
CHAMPAIGN, Ill., Dec. 15, 2020 — A team of researchers from the University of Illinois has developed a spherical lens capable of allowing incoming light — from any direction — to be focused on the lens’s surface opposite the input direction into a very small spot....
Light-Activated Robot Walks, Rolls, Transports Cargo
EVANSTON, Ill., Dec. 15, 2020 — Researchers from Northwestern University developed a light-powered, life-like material that acts as a soft robot. It is capable of walking at human speed, picking up and transporting cargo to new locations, climbing hills, and even “break...
Compact RGB Scanning Projector Developed for Wearable Displays and Smart Glasses
FUKUI, Japan, Dec. 14, 2020 — Researchers from the University of Fukui, in collaboration with SEIREN KST Corp., a Japanese silicon manufacturer, are preparing to commercialize an image projector for eyewear displays. The team succeeded in creating an optical engine by...
Single Carbon Dot Emits Multiple Wavelengths of Light
DAEJON, South Korea, Dec. 14, 2020 — Researchers from the Korea Advanced Institute of Science and Technology (KAIST) have synthesized a collection of nanoparticles known as carbon dots, capable of emitting multiple wavelengths of light from a single particle. The team discovered that...
Synthetization Process Yields Green Light-Emitting Idolizines
MOSCOW, Dec. 11, 2020 — Chemists from the Peoples’ Friendship University of Russia (RUDN University) have introduced a new approach for synthesizing indolizines, a group of organic substances with biological and optical properties. The method, which uses pyridinium...

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