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Research & Technology News

New Nanoimaging Method Finds App in Plasmonics
GAITHERSBURG, Md., July 17, 2013 — Theoretical calculations to understand and predict the optical properties of plasmonic nanomaterials exist but haven’t been verified in the lab, until now.
Pan-European Task Force Drives Photonics Innovation
BRUSSELS, July 17, 2013 — A collaboration formed under a four-year European Commission-funded project continues to bear fruit for the field of photonics, having yielded more than 400 publications and 11 filed patents, despite the project’s conclusion in April 2012.
Pump-Probe Laser Imaging to Improve the Arts
RALEIGH, N.C., July 16, 2013 — A pump-probe laser technique designed to diagnose melanoma has now been applied to art, uncovering paint pigments and layering techniques noninvasively to provide historical insight into works of art.
Capasso a Guest Scientist at MPQ
GARCHING, Germany, July 15, 2013 — Internationally renowned applied physicist Federico Capasso of Harvard University is joining the Max Planck Institute of Quantum Optics (MPQ) as a guest scientist this month. Professor Capasso, the Robert L. Wallace Professor of Applied Physics and...
Controlling Random Lasers
VIENNA, July 15, 2013 — Random lasers, with their very irregular angular emission pattern, are difficult to tune. But a team at Vienna University of Technology has theoretically shown that they can be controlled by actively shaping the spatial pump distribution, giving...
A New Way To Trap Light
CAMBRIDGE, Mass., July 12, 2013 — There are several methods to confine light, but a new approach uses two waves of the same wavelength, but exactly opposite phases, to cancel each other out, allowing light of other wavelengths to pass freely.
Space Station to Test Laser Communications
PASADENA, Calif., July 12, 2013 — NASA will begin testing laser communications technology that could dramatically improve spacecraft communication transmission rates by a factor of 10 to 100.
T-Rays Trapped for Better Security Scanners
ADELAIDE, Australia, July 11, 2013 — A metamaterial structure that traps terahertz-frequency waves (T-rays) in microscopic holes could result in medical diagnostic and security scanners with higher sensitivity.
5-D ‘Superman’ Memory Crystal Created
SOUTHAMPTON, England, July 10, 2013 — Nanostructured glass has been demonstrated as a medium for recording digital text in 5-D using a femtosecond laser. The portable memory technology could store vast quantities of information — 360 TB on a disc — for more than a million years.
Transistor Works with Light, Not Electricity
VIENNA, July 9, 2013 — An electrical charge applied to an ultrathin layer of material can change the polarization of terahertz light beams, creating the optical equivalent of an electrical transistor, its creators say.
CZTSe Solar Cells Achieve 9.7% Efficiency
HEVERLEE, Belgium, July 8, 2013 — A copper zinc tin selenide (CZTSe)-based solar cell has achieved 9.7 percent efficiency, bringing the solar industry a step closer to a sustainable alternative to CIGS-based solar cells, its creators say.
Listening to Blood Cells
TORONTO, July 8, 2013 — Red blood cells struck with laser light generate high-frequency sound waves that could help researchers to differentiate normal blood cells from abnormal ones for the diagnosis of blood-related diseases.
Fluorescent Fingerprint Tag IDs ‘Hidden’ Prints
LEICESTER, England, July 3, 2013 — Criminals might want to think twice before touching anything, now that a new fluorescent tagging technique could yield higher-confidence identifications from latent fingerprints on metal surfaces.
Adding Color to Solar Cells
JENA, Germany, July 2, 2013 — Fashion sometimes is about style over substance, but to make solar cells stylish, efficiency cannot be sacrificed for design flexibility.
Flexible Display Center Makes Largest OLED TFT
TEMPE, Ariz., July 2, 2013 — A prototype of the largest flexible color OLED display — nearly twice the size of its predecessor announced last May — was manufactured using mixed-oxide thin-film transistors (TFTs).
Algorithms precisely predict color from OLED designs
EINDHOVEN, Netherlands – OLED design processes could improve – and costs could drop – thanks to a technique that precisely calculates the color of light produced from white OLEDs. Regarded as the light sources of the future, OLEDs are flexible and transparent...
Intricate experiment reveals cause of LED droop
SANTA BARBARA, Calif. – The future looks bright for alternative lighting, now that scientists have solved the mystery that causes LEDs to “droop” in efficiency at high currents. The phenomenon known as LED droop has intrigued researchers for years. In 2011,...
Kepler could be kaput
Jul 1, 2013 — The Kepler space telescope has discovered 132 planets since its launch in 2009, but now it appears to be on life support, NASA said in late May. Kepler had successfully completed its primary mission and in November had entered an extended phase. The...
Microscopy Technique Could Help Make 3-D Components
GAITHERSBURG, Md., July 1, 2013 — A technique developed several years ago for improving optical microscopes has now been applied to monitoring the next generation of computer chip circuit components, providing a crucial tool for developing 3-D components.
OCT improves S-GRIN lens manufacturing process
ROCHESTER, N.Y. – Spherical gradient in refractive index (S-GRIN) lenses are lightweight and easily deformable, but manufacturing them with high quality and consistency is challenging. Now, researchers at the University of Rochester are embedding OCT into the...
Optical fiber design uses Anderson localization
MILWAUKEE – The first practical application of “Anderson localization” – a Nobel Prize-winning phenomenon proposed in 1958 – has yielded a new method for transmitting light through optical fibers. Data transmission through conventional...
Photonic topological insulator could enable quantum computing
KESALSABA, Israel – As computers get faster and chips get denser, there is a need for smaller light-manipulating devices. But as devices get smaller, imperfections in the fabrication processes can make light move irregularly and unpredictably. To tackle this challenge,...
Plasmon waves control light
CAMBRIDGE, Mass. – A nanoscale coupler that converts optical signals into surface plasmon polaritons can distinguish between different movements of polarized light and can precisely manipulate the signals in one direction or another without damaging them. The device...
Pushing camera design beyond nature’s limits
URBANA, Ill. – A camera design inspired by the ocular systems found in insects, arachnids and crustaceans is being pushed beyond anything that exists in nature. In the May 2 issue of Nature (doi: 10.1038/nature12083), an interdisciplinary team led by John A....
Space telescope spots three super Earths
WASHINGTON – Three super-Earth-sized planets in two newly discovered planetary systems are in a “habitable zone” – a distance from their stars suitable for supporting liquid water – and could potentially support life as we know it,...

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