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MATERIALS, CHEMICALS & COATINGS NEWS
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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 objects to determine how those light sources affected people’s perceptions of white. Participants in the study completed sorting, forced choice and selection tests using five light sources: a filtered halogen lamp, a common...

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Brian Leedy named vice president at Photonis digital imaging
FRISCO, Texas, April 22, 2014 — Brian Leedy has been named vice president and general manager of the digital imaging business unit of photosensor manufacturer Photonis. Leedy has more than 27 years of experience in the aerospace, defense and commercial industries. He...
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Nanowires Absorb, Emit Light Under Different Conditions
TRONDHEIM, Norway, April 23, 2014 — Stretching gallium arsenide nanowires makes them better light emitters, while compression makes them better light absorbers. This discovery could enable more efficient LEDs and thin-film solar panels, according to researchers at the...

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Electricity Changes Polymer’s Optical Properties
MILAN, WARSAW, Poland and DRESDEN, Germany, April 22, 2014 — A newly developed polymer is said to be the first of its kind to combine optical and electrical properties. This could mean new manufacturing possibilities for glass, polarization filters and sensors capable of detecting single molecules of a given...
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Adaptive Optics Detect Early Diabetes Eye Damage
BLOOMINGTON, Ind., April 21, 2014 — Vision loss is a threat for millions of those suffering from diabetes. The earlier it can be detected, the sooner — and potentially more effectively — it can be treated. Researchers from Indiana University have developed a new...

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Carbon Spaser Could Zap Cancer Cells
MELBOURNE, Australia, April 21, 2014 — A carbon-based nanolaser could be used to zap cancer cells – or enable electronics small and flexible enough to be printed on clothing. Said to be the first of its kind, the spaser – short for surface plasmon amplification by...
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Mid-IR Lens Incorporates Waste Sulfur
TUCSON, Ariz., April 21, 2014 — Thin, inexpensive plastic lenses for IR imaging devices can be manufactured from waste sulfur generated by refining fossil fuels. The plastic is transparent to wavelengths from 3 to 5 µm, have a refractive index between 1.865 and 1.745,...

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Flir, ING to Create Aerial IR Inspection Methods
OTTAWA, April 18, 2014 — Flir Systems Canada is partnering with ING Robotic Aviation to develop robotic aircraft and new techniques for infrared inspections. The new technology will allow for aerial industrial infrared inspections and visual gas leak detection....
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Long-Range 3-D Lidar May Enhance Military Operations
ESSEX, England, April 18, 2014 — Advancement of 3-D imaging and lidar technologies could spell significant enhancement for target identification, tracking and surveillance, namely in military operations. A team at Selex ES has developed a lidar system that uses a Geiger-mode...

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Optical Society Names New Executive Editor
WASHINGTON, April 18, 2014 — Dr. Alison Taylor has joined The Optical Society (OSA) as executive editor. She will manage the organization’s journals, including the new Optica, the Journal of the Optical Society of America-A, the Journal of the Optical Society of...
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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. Amr Safwat, a professor of electronics and communications engineering at Ain Shams University, said the new panel could...

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Two-Stage Laser Could Make Rain, Lightning
UNION PARK, Fla. and TUCSON, Ariz., April 18, 2014 — Weather is beyond human control — or is it? A team from the University of Central Florida (UCF) College of Optics & Photonics and the University of Arizona are developing a technique to trigger rain and lightning in clouds with a...
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American Laser Society Names New President
WAUSAU, Wis., April 17, 2014 — The American Society for Laser Medicine and Surgery has named Dr. Juanita J. Anders its new president. Under her leadership over the next year, the organization says it plans to increase interaction and cooperation of scientists, innovators...

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Exciton Movement Observed Directly
CAMBRIDGE, Mass. and NEW YORK, April 17, 2014 — For decades, scientists’ understanding of excitons has been theoretical at best. However, a recent breakthrough has changed the game. A team from MIT and the City College of New York has developed a new technique for imaging exciton...
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Hyperspectral Analysis Distinguishes Cells
SYDNEY, April 17, 2014 — Hyperspectral imaging (HSI) may soon expand its portfolio beyond mineralogy and food safety testing. Human embryonic stem cells can be analyzed using the new HSI-based technique. Images courtesy of PLOS Biology. A new label-free...

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Laser Process Allows Precision Design of Nanospheres
HANNOVER, Germany, April 17, 2014 — A laser-based technique for creating light-scattering silicon nanospheres could have applications in medicine and sensor technology. Molten silicon forms nanoparticles which, due to surface tension, fly onto a receiver substrate. Images...
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Technique Allows Whole-Brain Imaging with Single-Cell Resolution
SAITAMA, Japan, April 17, 2014 — Understanding the relationship between cellular phenomena and activity at the organism level has been difficult, particularly where the brain is concerned. Whole-brain imaging at single-cell resolution could help. As scientists aim to...

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Ghent University Offers Silicon Photonics Summer School
GHENT, Belgium, April 16, 2014 — Silicon photonics is an increasingly important area of research and technology, making ongoing education crucial for those in the industry. A Silicon Photonics Summer School will bring together next-generation scientists and industry...
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High-Speed Optics Enable Inline Strip Product Inspections
FREIBURG, Germany, April 16, 2014 — A new optical inspection system examines strip products like wire, pipe and rail much faster than any human ever could. The Wire-AOI wire inspection system uses four cameras collectively to deliver 40,000 analyzed images of a moving...

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Metasurface Lens Could Transform Antennas
NANJING, China, April 16, 2014 — Traditional antennas could be in for a makeover following a discovery in broadband optics. Researchers from Southeast University have developed an artificial surface lens that can bend and focus electromagnetic waves. Said to be the first...
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Frequency Combs Speed Up Data Transmission
KARLSRUHE, Germany and LAUSANNE, Switzerland, April 15, 2014 — Using frequency combs as an optical source could speed up communications by allowing coherent transmission of data streams of several terabits per second over hundreds of kilometers. A team from Karlsruhe Institute of Technology and the...

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Inexpensive Coating Cuts Glare, Boosts Efficiency in Solar Panels
LOUGHBOROUGH, England, April 15, 2014 — A coating similar to that used on eyeglasses could reduce glare and boost efficiency for photovoltaics. Researchers at Loughborough University’s Centre for Renewable Energy and Sustainable Technology developed a multilayer...
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Solar Cells Get Boost from Quantum Dots
LOS ALAMOS, N.M. and MILAN, April 15, 2014 — The superior light-emitting properties of quantum dots can efficiently harvest sunlight and enhance solar energy, according to researchers from Los Alamos National Laboratory, in collaboration with the University of Milan-Bicocca, who say...

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Adaptive Optics Enhances Subcellular Imaging
ASHBURN, Va., April 14, 2014 — A new adaptive optics approach sharpens microscope images for biologists studying the zebrafish. The technique rapidly corrects for distortions in transparent, nonscattering tissues at the millimeter scale without exposing them to damaging...
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Flir Systems Hires New Chief Marketing Officer
WILSONVILLE, Ore., April 14, 2014 — Flir Systems Inc. has named Travis Merrill its new senior vice president and chief marketing officer. In the newly created position, Merrill will lead the company’s global marketing and brand building efforts. Merrill comes...






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