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Research & Technology News

Electricity-Generating Transparent Solar Cells Developed
LOS ANGELES, Aug. 2, 2012 — A newly developed transparent polymer solar cell capable of generating electricity could bring us a step closer to a future in which windows in buildings and homes generate electricity from the sun without blocking the view outside.
Controlled Beam of Single Photons Produced
CAMBRIDGE, Mass., Aug. 1, 2012 — Quantum computing is expected to surpass conventional computing in terms of speed and performance of complex computations. However, the development of quantum devices for real-world applications has been met with major challenges.
FEL reveals protein architecture in detail
HAMBURG, Germany – A free-electron laser (FEL) x-ray technique that obtains high-resolution structural insight into biomolecules to deliver structural data eventually could be used to design tailor-made medications. Understanding the structure of biomolecules is...
Gigapixel “supercamera” delivers sharp shots
DURHAM, N.C. – The challenge to creating high-pixel imaging lies in the sophistication of the integrated circuits rather than the optics, and now scientists have overcome this hurdle by developing a supercamera that synchronizes 98 microcameras into a single...
Laser ARPES helps explain superconductivity
BERKELEY, Calif. — A new ultrafast laser angle-resolved photoemission spectroscopy (ARPES) technique may soon help scientists realize some of the biggest obstacles to the electronic states of high-temperature superconductors so that they may one day put these...
Laser rulers join the planet hunt
GARCHING, Germany – Astronomers searching for extrasolar planets may be a step closer to finding other Earth-like places in the universe around sunlike stars, thanks to a new tool that promises to increase the accuracy of planet-hunting devices by tenfold. Scientists...
Matter waves conjured in Schrödinger’s hat
SEATTLE – An amplifier devised to boost light, sound or other waves while hiding them inside an invisible container could lead to the construction of a quantum microscope that captures quantum waves and monitors electronic processes on computer chips. The...
Nanoantenna Made of DNA Captures, Emits Light
PARIS, Aug. 1, 2012 — A bio-inspired light nanoantenna has been created using two gold nanoparticles, short DNA strands and a tiny fluorescent molecule that can capture and emit light. The discovery paves the way toward the development of highly efficient LEDs and...
Nondistorting mirror eliminates blind spots
PHILADELPHIA – Have you ever been passed on the road by a vehicle that seems to have come out of nowhere? Well, drivers: Take heed. A new subtly curved side mirror that dramatically increases the field of view with minimal distortion could offer an alternative to...
OCT device could KO chronic ear infections
CHAMPAIGN, Ill. – A new optical coherence tomography (OCT) device that can see difficult-to-detect bacteria behind the eardrum could help clinicians better diagnose and treat chronic ear infections. Ear infections are the most common conditions that pediatricians...
Petawatt Laser Achieves Record Power
BERKELEY, Calif., Aug. 1, 2012 — The Berkeley Lab Laser Accelerator (BELLA) laser system has generated a record petawatt of power in a pulse just 40 fs long at a pulse rate of 1 Hz — one pulse every second.
Tabletop device generates all wavelengths in single beam
ARLINGTON, Va. – For the first time, a device small enough to fit on a single laboratory table has converted a coherent, directed light beam generated from more than 5000 low-energy photons into one high-energy x-ray photon. “This device can be a valuable tool...
Avoiding Traps in Plastic Electronics
ATLANTA, July 31, 2012 — A theoretical framework that addresses the significant “charge trap” defect of plastic semiconductors has yielded trap-free plastic electronics with the potential for more efficient plastic LEDs and solar cells.
Measurement Advance Could Speed Solar Innovation
GAITHERSBURG, Md., July 31, 2012 — A new automated measurement system that accurately and quickly measures the electric power output of solar energy devices could soon help researchers and manufacturers to develop next-generation solar energy cells.
PVs Enabled from Any Semiconductor
BERKELEY, Calif., July 31, 2012 — A technology that improves the photovoltaic qualities of virtually any semiconductor could lead to the use of plentiful, relatively inexpensive materials that once were considered unsuitable for solar cells because their properties were so difficult...
Nanolaser Operates Below 3-D Diffraction Limit
AUSTIN, Texas, July 26, 2012 — Growing a smooth layer of silver onto a silicon substrate has improved the performance of nanolasers, offering a breakthrough for emerging nanophotonic devices with applications ranging from computing to medicine.
$125M US-India Initiative Drives WUSTL Solar Expansion
ST. LOUIS, July 25, 2012 — As part of the $125 million US-India Initiative for Clean Energy announced this year, engineers at Washington University in St. Louis will work on low-cost solar cells as well as systems that integrate solar cells with batteries. The technology is...
Photonics to Drive Investment Boost in Advanced Manufacturing
BELLINGHAM, Wash., July 25, 2012 — Photonics technologies are already key enablers of advanced manufacturing, and new initiatives to boost the US’s capabilities in that area will be a good use of the country’s photonics R&D, leaders of SPIE, the international society...
Space Institute Develops Cancer-Fighting Laser
TULLAHOMA, Tenn., July 25, 2012 — A new technique that harnesses the power of femtosecond lasers to seek, acutely map and noninvasively destroy cancerous tumors could benefit brain cancer patients.
Laser Devised for On-Chip Optical Connections
ARLINGTON, Texas, July 24, 2012 — A new 2-µm-high surface-emitting laser for on-chip optical connections could give computers a huge boost in speed and energy efficiency.
First Nonpolar Violet VCSEL Reported
SANTA BARBARA, Calif., July 23, 2012 — The first violet nonpolar vertical-cavity surface-emitting lasers based on m-plane gallium nitride semiconductors have been developed and could lead to higher optical efficiency lasers at reduced manufacturing costs for lighting, displays and sensor...
Seeded FELs Demonstrated in China
BEIJING, July 23, 2012 — The first successful lasing of a free electron laser with an echo-enabled harmonic-generation scheme holds promise for the production of a coherent laser at short wavelengths down to the x-ray regime.
Nanohole-Based Sensors Ideal for Medical Diagnostics
SINGAPORE, July 20, 2012 — Novel molecular sensors based on thin metallic films with nanoholes hold promise for medical diagnostic applications where it is necessary to detect small quantities of molecules.
Telescopes Team to Make Sharpest Observation Ever
GARCHING, Germany, July 20, 2012 — Three telescopes spaced thousands of miles apart were linked together to capture the sharpest direct observation of the center of a distant galaxy: the bright quasar 3C 279, which has a supermassive black hole at its core. The observation represents...
Loops of Light Optically Detect Single Molecules
LEUVEN, Belgium, July 19, 2012 — A new nanoscale light-manipulation method that optically detects single molecules could be used in a variety of photochemistry applications and could help advance technologies for visualizing single molecules and multiple-molecule interactions.

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