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Light Sources News
Nanocrystal Tags Aid Rapid Pathogen Detection
WEST LAFAYETTE, Ind., and SYDNEY, May 8, 2014 — Tunable nanoparticles could pave the way for screenings that identify thousands of target molecules simultaneously. A team from Purdue University and Macquarie University used tunable luminescent nanocrystals as tags, applying them to high-speed scanning technology. This new technique allowed the researchers to detect multiple viruses within minutes. This development builds on the team’s previous work, in which they discovered how to control how long nanoparticles (called
A Vision of the Future
May 5, 2014 — At The Vision Show last month in Boston, keynote speaker Dennis Treece spoke about the evolving “security vision” market, in which machine vision for packaging integrity is morphing to perform security duties. The retired Army colonel...
Celestial light switch reveals lunar ranging data
May 5, 2014 — When certain members of the universe play a linear game of hide-and-seek, humans pay attention: Many don special solar glasses; others stay up late to catch sight of a burnt-orange moon. Solar and lunar eclipses are sights to behold, appearing just...
Engineering Makes Powerful Lasers Safer
May 5, 2014 — Containment, software, training and other precautions allow embedded or enclosed lasers to move into new applications. Hiding your light under a bushel isn’t always a bad thing, contrary to the advice in the old proverb. A case in point can be...
LEDs, Other Optoelectronic Components Merging for Emerging Applications
May 5, 2014 — Advances in on-chip integration, materials and fabrication methods enable smaller, faster components for next-generation applications. The market for optoelectronic (OE) components – parts that make up other parts and connect between...
Light Sources, Filters Enable 3-D Sensing Advances
May 5, 2014 — Improving the manufacturability, reliability and size of hardware components for 3-D sensing systems opens up new applications for the technology. Today, a growing number of smart TVs and operating systems respond to gestured commands by changing...
Materials Hold Secret to Better LED Performance, Efficiency, Value
May 5, 2014 — There’s little doubt that LEDs save energy, but the high initial cost of LED lamps is preventing mass adoption by lighting consumers. New materials are crucial to driving down the price tag and driving up market acceptance. The price of LEDs...
QDs Up Display Color, Brightness with Less Power
May 5, 2014 — Want a brighter, more colorful display that uses less power? Quantum dots may be the answer. After 25 years of research and development, quantum dots – man-made semiconducting crystals so tiny they are invisible to the naked eye – are...
UV Takes Water Treatment Chemical-Free
STUTTGART, Germany, May 2, 2014 — A new UV process quickly breaks down pollutants in wastewater without help from chemical catalysts. The system uses 172-nm light to trigger photolysis, splitting H2O molecules into highly reactive hydroxyl radicals. “These hydroxyl compounds...
LED System Simulates Sunlight Indoors
COMO, Italy, April 28, 2014 — In a project funded by the European Commission Horizon 2020 program, CoeLux Srl has developed CoeLux, a new product that simulates sunlight indoors.
Blue LEDs Fail Color Differentiation Test
STATE COLLEGE, Pa., and FREMONT, Calif., April 23, 2014 — Not all shades of white are identical, although traditional and some LED lighting can make this difficult to prove. A study by researchers from Pennsylvania State University and Soraa Inc. focused on various combinations of light sources and white...
Noninvasive Imaging Method Promising for Skin Assessment
LEICESTER, England, April 23, 2014 — The complex biological process of skin aging can now be studied more extensively and efficiently, thanks to a new low-cost laser-based technique.
Solid-State UV Lamp Presents Sterilization Alternative
NAGOYA, Japan, April 23, 2014 — A new solid-state UV lamp could provide a cheaper and safer option for surface sterilization.
Stress Activates Light-Emitting Nanowires
ZURICH, April 23, 2014 — Stretching gallium arsenide nanowires makes them better light emitters, while compression makes them better light absorbers.
Panels Redirect Sunlight into Shadowy Urban Areas
CAIRO, April 18, 2014 — Corrugated, translucent panels mounted on rooftops could be used to bend sunlight into places it normally doesn't reach.
Lasers Produce Bio-Inspired Surface Functions
Apr 17, 2014 — Lasers can interact with matter in a variety of ways. Depending on the wavelength, the energy of the laser beam and a whole set of other parameters, such as pulse duration or repetition rate, laser photons have countless ways of mingling with the...
New Switch Could Scale Up Quantum Computing
CAMBRIDGE, Mass., April 11, 2014 — A new technique to connect particles could assist in development of quantum computing systems.
Red Light Increases Viability of Implanted Stem Cells
CHONGQING, China, April 11, 2014 — Doses of red and near-IR light have been shown to increase the viability of implanted stem cells used to treat brain damage.
Light-Activated Neurons May Restore Function to Paralyzed Muscles
LONDON, April 10, 2014 — There is optimism that a new technique could help paralyzed muscles move again.
Nanostructures Show Promise for Efficient LEDs
ANN ARBOR, Mich., April 8, 2014 — Nanostructures and an indium nitride (InN) semiconductor could hold promise for improving the efficiency of LEDs, particularly in the green gap, where productivity typically takes a dive. Researchers from the University of Michigan conducted tests...
Market Growing for Laser-Based Machine Vision Technologies
Apr 7, 2014 — A panel of industry experts weighs in on recent and future advances in laser technologies for machine vision, and offers a look at the market. Laser-based machine vision can be a valuable tool for manufacturers looking to improve various areas of...
Nanophotonics Underpins Some Groundbreaking Technologies
Apr 7, 2014 — Nanophotonics is now a major research theme in optical physics and engineering. Driven by the dream of untapped device functionality, nanophotonics studies the exciting science of the interaction of light with nanostructures, at the size scale where...
The Better to See You With
Apr 7, 2014 — Advances in manufacturing and materials will help the military spot targets faster – and from farther away. For the military, the name of the game is to see first and farthest, which makes optics vital. The length of an optical path can set...
Integrated Chips Used as Single-Photon Sources
SYDNEY and NICE, France, April 3, 2014 — A high-quality source of single photons is hard to come by. But there may be a solution in the pipeline in the form of an integrated optical chip.
Energy Technologies Get Boost from New Waveguides
BUFFALO, N.Y., March 31, 2014 — More efficient photovoltaic cells are among the possibilities created by a new nanoscale microchip component.
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August 2024
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