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Materials, Coatings News
4 Photonics Projects Get Defense Funding
WASHINGTON, June 3, 2014 — The U.S. Department of Defense has awarded funding totaling $28.3 million for four photonics graduate research projects under its Multidisciplinary University Research Initiative (MURI). Brief summaries of the projects follow. For further information on each project, follow the hyperlinks provided. • $7.5 million for study of photochemical and photophysical processes involving plasmonic nanoparticles. Potential applications include water remediation, sterilization, distillation
PhotoScribe Patents Diamond Assessment System
NEW YORK, June 3, 2014 — A newly patented technology claims to quantify the beauty of diamonds by registering how they interact with light. PhotoScribe Technologies Inc. said its system, awarded U.S. Patent No. 8,705,018 B2, measures six attributes of light in a diamond:...
Rotational Sensor Exploits Polarization
ERLANGEN, Germany, May 29, 2014 — A rotational angle sensor that measures light polarization aims to be less finicky than its optical and magnetic counterparts. Magnetic sensors are durable but not as precise as optical sensors. Optical sensors, meanwhile, must be precisely mounted...
Nanowire Probes Provide Visual Enhancement for AFM
GAITHERSBURG, Md., May 28, 2014 — Nanowire probe tips originally intended for atomic force microscopes in near-field scanning microwave microscopy (NSMM) applications could have another use.
Optometrics Adds Production Labs
LITTLETON, Mass., May 27, 2014 — Optometrics Corp. recently added two laboratories to its Ayer facility, expanding the company's production of planar and concave master diffraction gratings for precision optical replication, as well as patterned beamsplitters, transmission gratings...
Nanosphere-Laced Polymer Changes Color Under Stress
RIVERSIDE, Calif., May 23, 2014 — A plastic film that changes color under stress could provide more detailed information in product safety testing and other areas where pressure and strain are measured. A lab at the University of California, Riverside, used a self-assembly method to...
6.5% Annual Growth Seen for Coatings Market
RATINGEN, Germany, May 22, 2014 — Global demand for thin-film optical coatings was valued at approximately $6.5 billion in 2013 and is expected to grow by 6.5 percent annually in the coming years, according to a market forecast from Acmite Market Intelligence. Electronics and...
Nanophotonics Professor Recognized for Education Innovation
CAMBRIDGE, Mass., May 22, 2014 — Eric Mazur of Harvard University has been awarded the Minerva Prize for Advancements in Higher Education for his “significant contributions to improving higher education.” Mazur was recognized by the Minerva Academy of San Francisco for...
THz Technique Determines Paint Thickness
HARRISBURG, Pa., May 21, 2014 — A new method for harmlessly characterizing coats of paint can help prevent a vehicle’s body from rusting, and may have health and safety applications as well. Applied Research and Photonics Inc. has developed a way to harmlessly penetrate...
Photon Collider Theoretically Produces Matter
LONDON, May 18, 2014 — Producing matter from light via two-photon collision was originally proposed in 1934, but there has never been a viable experimental method to prove this fundamental prediction of quantum electrodynamics – until now. The 80-year-old theory,...
Porous Silicon Uses Sunlight to Generate Hydrogen
UNIVERSITY PARK, Pa., May 19, 2014 — A new porous silicon photocatalyst that generates hydrogen from water with help from sunlight could find applications in optical electronics, biosensors and batteries. A mesoporous crystalline silicon, the material touts large surface area and...
Laser Mirror Counteracts Deformation
JENA, Germany, May 15, 2014 — When photons push against mirrors inside laser cavities, the mirrors get deformed. But scientists now have a way to push back. A ceramic mirror in development by the Fraunhofer Institute for Applied Optics and Precision Engineering and Ilmenau...
Hyperbolic Metamaterials Advance Practical Applications
WEST LAFAYETTE, Ind., May 14, 2014 — Optical imaging of objects as small as DNA strands could be possible using hyperbolic metamaterials. The ultrathin crystalline films act like metals when light passes through in one direction and like dielectrics when light passes in a perpendicular...
New Graphene Film Brings Fast, Low-Cost Communications
MELBOURNE, Australia, May 12, 2014 — A new type of graphene is showing potential for ultrafast telecommunications. A team from Swinburne University of Technology has developed the micrometer-thin continuous graphene oxide film, which demonstrates optical nonlinearity suitable for...
Tin Replaces Lead in Promising Solar Cell
EVANSTON, Ill., May 12, 2014 — A new solar cell promises enhanced efficiency and a smaller environmental footprint. The new cell, developed by a team from Northwestern University, uses a perovskite structure composed of tin instead of the traditional lead as the light-absorbing...
Nanoscope Can Probe Chemistry on the Molecular Scale
BERKELEY, Calif., and BOULDER, Colo., May 9, 2014 — The in-depth study of complex molecular systems, from batteries and electronic materials to living cells and even stardust, is now possible with a new imaging technique. Broadband IR synchrotron light has enabled researchers at Lawrence Berkeley...
Diamond Enhances Laser Beams
SYDNEY, May 7, 2014 — Diamonds just might be a laser beam’s best friend. A team from Macquarie University’s Photonics Research Center has discovered how to increase the quality of high-power laser beams by exploiting the optics of an 8-mm diamond. A 50 W...
Researchers Probe Graphene Alternatives with SHG
BERKELEY, Calif., May 7, 2014 — Scientists have a new way to study the optical and electric properties of 2-D metals that could compete with graphene in semiconductor and other applications. Using ultrafast IR pulses, researchers with the Lawrence Berkeley National Laboratory...
Brookhaven Scientist Honored For Work on Solar Nanostructures
UPTON, N.Y., May 6, 2014 — Work on self-assembling nanostructures for solar energy collection has earned Brookhaven National Laboratory physicist Charles T. Black an “Inventor of the Year” award. The awards are presented by Battelle, which, together with Stony...
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...
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