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Research & Technology News

Organic Electrochromic Material Changes Colors Rapidly, Reversibly
MUNICH, March 23, 2021 — Ludwig-Maximilians-Universität researchers developed an electrochromic thin-film material that, by changing colors rapidly, is poised to feature in the design of smart windows, solar energy production/acquisition, and automotive applications. The material, which relies on electricity to change colors, is part of a generation of highly ordered lattice structures, known as covalent organic frameworks (COFs). These are made up of synthetically conceived organic building blocks that,
Bonn Team’s Technology Brings Quantum Networks Closer to Reality
BONN, Germany, March 22, 2021 — Researchers from the University of Bonn demonstrated quantum entanglement between a stationary qubit and a photon with direct coupling to an optical fiber. The work represents a major step toward the realization of quantum networks and, from them,...
Stanford Team Develops Self-Cooling Silica Fiber Laser
STANFORD, Calif., March 22, 2021 — A Stanford University research team developed a self-cooling laser based on a silica fiber architecture. By overcoming the need for external cooling, such as with a water-based cooling system, the design charts a course for future laser-based...
Light-Controlled Enzymes Show Potential in Medicine, Industry
SÃO PAULO, March 19, 2021 — Research conducted at the University of São Paulo’s Chemistry Institute demonstrated the utility of near-infrared and infrared light for use as catalysts in the control of enzymes. The work holds implications for the noninvasive...
Hyperspectral Imaging and AI Speed Up Necessary Inspection for Organic Electronics
DRESDEN, Germany, March 18, 2021 — Fraunhofer IWS researchers, working under the European Union (EU) project OledSolar, introduced an approach for the monitoring, observation, and inspection of organic electronics in the manufacturing and development stages. The hyperspectral vision...
Study of Acoustic Graphene Plasmons Heralds Improvements for Optoelectronics
DAEJON, South Korea, March 18, 2021 — Researchers from Korea Advanced Institute of Science and Technology (KAIST), with domestic and international collaborators, demonstrated direct near-field optical imaging of acoustic graphene plasmon (AGP) fields, using a sensitive scattering-type...
Light-Activated Material Could Enable Heliotropic Solar Cells
MEDFORD, Mass., March 17, 2021 — Light-activated composite devices developed by Tufts University researchers were shown in testing to execute precise visible movements and form complex 3D shapes. The materials performed without wires or other actuating materials or energy sources....
Standard Digital Camera and AI Pair for Soil Monitoring
ADELAIDE, Australia, March 17, 2021 — Digital cameras and machine learning technology can provide a cost-effective method of monitoring soil moisture, according to new work from the University of South Australia and Middle Technical University (Iraq). The technology aims to address...
Microscope Detects Chirality to Make Solid-Tissue Imaging Possible
URBANA, Ill., March 16, 2021 — Researchers at the University of Illinois’ Beckman Institute for Advanced Science and Technology developed a spectroscopic microscope enabling optical measurements of molecular conformations and orientations in biological samples. The device...
Microscope Technology Based on NanoLED Array Platform Moves Toward Commercialization
BARCELONA, Spain, March 16, 2021 — An international team led by researchers at the University of Barcelona developed a superresolution optical chip-size microscope that is supported by nanoLEDs functioning as a light source. The nanoLEDs can determine the resolution of the microscope...
Electroluminescence at Terahertz Frequencies Brings Silicon QCLs into Focus
ZURICH, March 15, 2021 — An international research team based at the Institute for Quantum Electronics at ETH Zurich generated electrical light from a silicon-germanium (SiGe) semiconductor structure. That material is compatible with standard silicon device fabrication...
AI Aids in Real-Time Generation of 3D Holograms
CAMBRIDGE, Mass., March 12, 2021 — A method for generating holograms uses an artificial intelligence program that a consumer-grade laptop is capable of running, giving implications in VR and 3D printing. A team at MIT introduced the method, which generates holograms almost instantly....
Optomechanical Accelerometer Enhances Accuracy
GAITHERSBURG, Md., March 12, 2021 — A laser light-powered accelerometer — a sensor that detects sudden changes in velocity — operates over a greater range of frequencies than comparable, nonoptical instruments, and at a higher rate of accuracy. Researchers from NIST...
Transparent Display Shows Smooth Transitions over Broad Color Spectrum
CHANGCHUN, China, March 11, 2021 — Researchers from Jilin University developed a transparent glass display with a high white-light contrast ratio that is able to smoothly transition between a broad spectrum of color when stimulated with electricity. The technology overcomes hurdles...
Algorithmic Training Technique Aims to Democratize Deep Learning-Enhanced Microscopy
LA JOLLA, Calif., March 10, 2021 — A tool called the “crappifier” developed at Salk Institute has the potential to democratize deep-learning enhanced microscopy. The technology addresses the difficulties of training algorithms to enhance low-resolution images. Deep...
Light and Force Reveal Hardening of Materials Under Illumination
NAGOYA, Japan, March 10, 2021 — Researchers from Nagoya University and the Technical University of Darmstadt developed a method to quantitatively study the effect of light on nanoscale mechanical properties of thin-wafer semiconductors or any other crystalline material. The...
Microcomb Promises Durability in Biophotonics, Metrological Applications
GOTHENBURG, Sweden, March 9, 2021 — A microcomb developed by researchers from Chalmers University of Technology has the potential to herald significant advances in a variety of technologies, spanning metrology and optical communication. The design is based on two microresonators and...
Optical Tweezing Inspires Nanoscopic Trapping Method
SYDNEY, March 9, 2021 — Researchers from the University of Technology Sydney (UTS) have deployed the existing principles of optical tweezer technology, which enables the manipulation and assemblage of nanoparticles, as a base for a technique that allows them to manipulate...
Laser Method Creates Strong Materials for Flexible Electronics
TOMSK, Russia, March 8, 2021 — A method that integrates metals into polymers for the formation of electrically conductive composites uses laser pulses to irradiate aluminum nanoparticles onto polyethylene terephthalate (PET) substrates. Researchers from Tomsk Polytechnic...
Underwater Fiber Optic-Based Approach Improves Earthquake, Tsunami Monitoring
PASADENA, Calif., March 5, 2021 — Seismologists at Caltech developed a method for the detection of natural disasters — namely earthquakes — that leverages the capabilities of underwater telecommunication cables already in operation. The method, which does not require...
Waveguide Design Enables Transmission of Two Types of Light
NASHVILLE, Tenn., March 5, 2021 — Engineers from Vanderbilt University developed a method of simultaneously transmitting two types of optical signals across a single chip. The work may enable a dramatic increases in the volume of data a silicon chip can transmit over any period of...
Features of Mantis Shrimp Eye Inspire Smaller Optical Sensor Design
RALEIGH, N.C., March 4, 2021 — The ultrasensitive eyes of mantis shrimps are the inspiration behind a new kind of optical sensor that is small enough to fit on a smartphone, yet capable of performing hyperspectral and polarimetric imaging. A prototype of the sensor, called the...
Source Mask Optimization Fine-tunes Extreme UV Lithography
SHANGHAI, March 4, 2021 — Researchers from the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences proposed a source mask optimization (SMO) technique for extreme-ultraviolet lithography (EUVL) based on a thick mask model and a social learning...
Metalens Uses Heat Rather Than Motion to Shift Focus
CAMBRIDGE, Mass., March 3, 2021 — A new metalens design developed by researchers at MIT, which is able to change its focus without tilting or moving forward or backward, may find use in miniature heat scopes for drones, ultracompact thermal cameras for cellphones, and low-profile...
Multiphoton Microscopy Protocol Reveals Breast Cell Function, Behavior Inside Living Tissue
PARKVILLE, Australia, March 3, 2021 — A team from the Walter and Eliza Hall Institute of Medical Research in Australia has shown the ability to image tissue cells in the breast, without harming them, to observe their behavior at microscopic levels. The team used multiphoton microscopy,...

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