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RESEARCH & TECHNOLOGY NEWS
Laser-Based Method Enables 3D-Printed Glass with Intricate Detail WASHINGTON, D.C., Jan. 13, 2021 — A laser-powered polymerization process for 3D-printing applications overcomes the need to build a 3D-printed object one layer at a time. A research team from France’s Fresnel Institute and École Centrale de Marseille introduced the method, using it to create miniature models of a bicycle and even the Eiffel Tower from silica glass. The approach is specifically based on multiphoton polymerization, which ensures that the polymerization process, which binds liquid monomer
Microcombs Enable Neuromorphic Processor MELBOURNE, Australia, Jan. 12, 2021 — Researchers have developed and demonstrated what they claim to be the fastest and most powerful neuromorphic processor in the world. The processor operates faster than 10 trillion operations per second, and it is capable of processing...
Retinomorphic Sensors Detect Motion as Mammals Do CORVALLIS, Ore., Jan. 12, 2021 — A retinomorphic optical sensor, featuring an ultrathin perovskite semiconductor layering, has demonstrated the ability to perceive changes to its visual field in much the same way as the human eye. The technology relies on ultrathin layers of...
Chip-based Frequency Comb Sharpens Neural Networks MÜNSTER, Germany, Jan. 11, 2021 — Through an international collaboration, researchers from the University of Münster have developed photonic processors that combine processing and data storage on a single chip. Led by Wolfram Pernice, a professor at the Institute of Physics and...
Sensor Design Grants New Life to Damaged Optical Fibers YOKOHAMA, Japan, Jan. 11, 2021 — An international collaboration has found new use for damaged optical fibers, in measuring magnetic fields. Researchers have developed a sensor design that is significantly more sensitive than conventional fiber optic methods of magnetic detection,...
Deep Learning-Designed Network Shapes Light Pulse LOS ANGELES, Jan. 8, 2021 — UCLA researchers developed a method to shape light pulses by creating physical networks composed of specially engineered photonic layers. Networks built on similar concepts, already capable of all-optical classification and image recognition,...
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...
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...
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