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education News
Atom Interferometry, Demonstrated in Space, Opens Measurement Possibilities
MAINZ, Germany, May 4, 2021 — A German team successfully demonstrated atom interferometry in space on board a sounding rocket. Atom interferometry uses the wave character of atoms to make high-precision measurements. The application can be used to measure the gravitational field of Earth, for example, and to detect gravitational waves. The team of researchers from multiple universities and research centers was led by Leibniz University Hannover. It launched the MAIUS-1 mission in January 2017, which became the first
Nanoflashlight Could Turn Mobile Devices into Powerful Biosensors
CAMBRIDGE, Mass., May 4, 2021 — Researchers at MIT built a device that they describe as a “nanoscale flashlight” on a chip. The device overcomes a limitation of spectroscopy, in that spectrometers are relatively large instruments. Much like a spectrometer, the MIT...
Retroreflective Material Helps Robots to Analyze Surroundings
LUXEMBOURG, May 3, 2021 — A material developed and introduced by researchers at the University of Luxembourg will help robots analyze and understand their surroundings. The material relies on hardened retroreflective spheres made from cholesteric liquid crystals, which turn...
Fluorescent Sensor Identifies Psychiatric Drugs
DAVIS, Calif., April 29, 2021 — A genetically encoded biosensor to detect hallucinogenic compounds could be used to aid in the discovery of treatments for mental illness, in neuroscience research, and to detect drugs of abuse. A team at the University of California, Davis (UC...
Silver Ions’ Dispersion from Alloys Benefits Optical Sensors, Other Applications
HOUSTON, April 27, 2021 — A study led by Rice University and the University of Duisburg-Essen in Germany used hyperspectral dark-field imaging microscopy to reveal the multistep mechanism that causes silver ions to dissipate from gold-silver alloy nanoparticles. Gold-silver...
2D Microlaser Arrays Enhance Stability, Power
RESEARCH TRIANGLE PARK, N.C., April 26, 2021 — Researchers from the University of Pennsylvania and Duke University designed and built 2D arrays of closely packed microlasers that demonstrated the stability of a single microlaser and that collectively achieved power density that were orders of...
Metalens Will Deliver on Challenging Printing Applications, Direct Laser Lithography
EVANSTON, Ill., April 23, 2021 — A team at Northwestern University designed a high-numerical aperture metalens and fabricated it on an optical fiber tip, using a set of processes that establishes an alternate path for optical nanoparticle trapping and other imaging applications...
Photonic MEMS Switches Show Promise for Datacom
BELLINGHAM, Wash., April 19, 2021 — Members of an international collaboration initiated by researchers at the University of California, Berkeley used a commercially available CMOS fabrication process to develop a photonic switch based on MEMS technology. The ability to microfabricate...
White Solar-Reflectance Paint Reduces Need for Air Conditioning
WEST LAFAYETTE, Ind., April 16, 2021 — A team from Purdue University has developed an improved ultrawhite paint that, tests showed, reflected more than 98% of sunlight — compared to 95.5% of sunlight that an earlier version of the paint reflected following its introduction in...
Quantum Startup Accelerator Launches in Chicago
CHICAGO, April 12, 2021 — Duality, a startup accelerator focused on advancing quantum science and technology, will help as many as 10 companies per year grow their businesses in the Chicago area. The University of Chicago’s Polsky Center for Entrepreneurship and...
Reverse-Tapering Approach Links Structurally Dissimilar Optical Fibers
SHANGHAI, April 9, 2021 — A team of researchers from Fudan University has achieved robust mode matching between structurally dissimilar optical fibers, using a “reverse-tapering” approach to deliver ultralow-loss and high-strength fusion splices between standard...
Polymer Molecules Fluoresce After Chemical Adjustments
ZURICH, April 8, 2021 — ETH Zurich researchers have introduced a method that relies on chemical adjustments occurring in fluorescent organic polymer molecules to generate a broad palette of color. The approach is an alternative to mixing different molecules to achieve...
Simple Laser Delivers High-Dimensional, Quantum-Like Classical Light
CHANGCHUN, China, April 7, 2021 — An international team from China and South Africa used a laser to create an arbitrary dimensional light that team members characterized as “quantum like.” Using a simple laser commonly available in university teaching labs, the team...
Broadband MIR Source Facilitates Fiber Optic Sensors
TOKYO, April 6, 2021 — A light source that generates a highly stable broadband mid-infrared (MIR) beam in the wavelength range of 2.5 to 3.7 μm and that, in testing, maintained its full brightness due to its high beam quality supports the simplification of fiber...
Gold Nanoparticle Plasmon Coupling Illuminates Thermal Sensing Possibilities
RALEIGH, N.C., March 31, 2021 — Researchers from North Carolina State University have described a method for achieving desirable optical properties by stretching shape-memory polymers embedded with gold nanoparticle clusters so as to alter their plasmon-coupling capabilities. The...
Intravascular Imaging Technique Characterizes Key Heart Attack Risk
BOSTON, Mass., March 30, 2021 — A Massachusetts General Hospital-based research team has introduced an intravascular laser speckle imaging (ILSI) technique that showed the ability to identify the distinct mechanical features of plaques that are most apt to rupture under the...
Light Delivers Hydrogen from Nonphotosynthetic Microorganisms
LISBON, Portugal, March 29, 2021 — A team in Portugal has introduced a method for the sustainable conversion of solar energy into hydrogen, relying on biohybrid systems — combinations of nonphotosynthetic materials, bacteria, and semiconductor nanoparticles. The ability of...
DNA Origami Supports Applications In and Beyond Life Sciences
REGENSBURG, Germany, March 26, 2021 — A European research team developed a dye- and DNA programming-based approach for counting molecules present within individual complexes. The approach supports biomedical and life sciences applications, as well as those involving OLEDs, solar cells,...
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...
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...
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...
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...
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...
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...
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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