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Research & Technology News

Giant Atoms Trapped with 90% Efficiency
ANN ARBOR, Mich., Dec. 29, 2011 — With an “egg carton” of laser light, physicists can trap giant Rydberg atoms with up to 90 percent efficiency. The achievement could advance computing and terahertz imaging and detection devices, among other applications.
STED Effect Enables Chips with Finer Features
CAMBRIDGE, Mass., Dec. 22, 2011 — A new way to break through wavelength-related limits to feature size in state-of-the-art silicon chips could enable further leaps in computational power. The microchip revolution has seen a steady shrinking of features on silicon chips,...
Webb Telescope Engineers to Test COCOA
GREENBELT, Md., Dec. 22, 2011 — To verify the optical performance of the mirrors on the James Webb Space Telescope, NASA is using COCOA (center of curvature optical assembly) to check that the mirrors are perfectly shaped and will work in the frosty environment of space. ...
Light Used to Beam Songs Across a Room
PROVO, Utah, Dec. 21, 2011 — As part of a yearly tradition of challenging previous students’ designs, electrical engineering students at Brigham Young University created a free-space optical transmission device that beams music across a room. The device, created by...
Nanophotonic Endoscope Gently Probes Single Cells
BERKELEY, Calif., Dec. 21, 2011 — A newly developed nanophotonic endoscope can take high-resolution images of the inside of a single living cell and deliver therapeutic drugs and other cargo without injuring or damaging the cell. Fluorescence confocal image of a single living...
IR Detectors to Help Pilots AVOID Volcanic Ash
KJELLER, Norway, Dec. 20, 2011 — A camera designed to detect volcanic ash particles from a large distance may help airlines become more capable of avoiding large volcanic plumes in the future. The ash cloud resulting from the 2010 eruption of the Eyjafjallajökull volcano...
Plasma Expands Under Ultrafast Beams
WEST LAFAYETTE, Ind., Dec. 20, 2012 — New insight into the behavior of ultrafast laser pulses could improve their performance in manufacturing, diagnostics and other research. A laser's pulse at durations of 100 fs, or quadrillionths of a second, causes electrons to reach...
Thermal Conductivity Tuning Could Cool Optoelectronics
NASHVILLE, Tenn., Dec. 20, 2012 — The thermal conductivity of a pair of boron nanoribbons can be enhanced by up to 45 percent — a discovery that could give rise to a new tool for managing thermal effects in smartphones, computers, lasers and other devices. Although the...
Capsule Endoscope Forges Precise Path Through the Body
TEL AVIV, Israel, Dec. 19, 2011 — Tiny capsules guided by magnetic steering are set to do the work of bulkier endoscopes, perhaps leading one day to less invasive, yet more powerful, imaging and drug delivery inside the body. At Tel Aviv University, Gabor Kosa devised a method...
Technique Combines Optical Fibers, Silicon
COLLEGE PARK, Pa., Dec. 19, 2011 — A technique for depositing a noncrystalline form of silicon (hydrogenated amorphous) into the long, ultrathin pores of optical fibers has been developed — making the optical fibers more flexible and efficient. The first of its kind, this...
Cascade Lasers Made More Powerful
WARSAW, Poland, Dec. 16, 2012 — New mid-infrared gallium arsenide (GaAs) -based cascade lasers with a pulse three times stronger than previous versions could prove useful for industrial and medical applications. The Institute of Electron Technology (ITE) has developed...
Data Transfer Hits Record of 186 Gb/s
PASADENA, Calif., Dec. 15, 2012 — With a sustained data transfer rate of 186 Gb/s, a new world record has been set, ushering in the next generation of high-speed network technology. At the SuperComputing 2011 conference in Seattle in mid-November, an international team of...
Reconfigurable Photonic Chip Realized
BRISTOL, England, Dec. 14, 2011 — A versatile optical chip that produces, measures and controls two important quantum phenomena — mixture and entanglement — has been developed, representing an important step toward developing quantum computers. Artist's impression...
Trillion fps Video: Streak Camera Stops Light
CAMBRIDGE, Mass., Dec. 13, 2011 — A novel streak camera that captures images in picosecond increments now makes it possible to stop not just a horse in mid-canter or a bullet piercing an apple, but light particles themselves as they traverse a scene. Researchers in the MIT Media Lab...
Label-Free Bioimaging Tool Tracks Nanotubes
WEST LAFAYETTE, Ind., Dec. 12, 2011 — A new imaging tool tracks carbon nanotubes inside living cells and throughout the bloodstream, which could hone the particles’ usefulness in biomedical research and clinical medicine. Carbon nanotubes have potential applications in drug...
Teledyne Dalsa Secures Earth Observation Contract
WATERLOO, Ontario, Canada, Dec. 12, 2011 — Teledyne Dalsa received a contract from Surrey Satellite Technology Ltd. (SSTL) of Guildford, UK, to develop a multispectral sensor for an advanced Earth observation application. The multimillion-dollar project is expected to begin delivering...
Here, Kitty Kitty!
ALTAI REPUBLIC, Russia, Dec. 9, 2011 — Carefully placed camera traps — imagers equipped with motion sensors — have taken the first photos ever of two elusive members of the cat family. Images of both snow leopard and manul (also called Pallas’s cat) are helping...
Method Uses Glass Fiber to Detect Atoms
VIENNA, Dec. 9, 2011 — A highly sensitive method that requires specially prepared light waves coupled to ultrathin glass fibers can be used to count and interact with a very small number of atoms — making it possible to build extremely sensitive detectors. The...
Laser-Produced Proton Beams Open New Research Areas
LIVERMORE, Calif., Dec. 8, 2011 — Recent proton beam experiments using high-intensity lasers have unveiled a new way to heat material and create novel states of matter in the laboratory. This advance could lead to medical applications and even offer insight into planetary science....
Submillimeter Camera Set to Scan the Universe
MAUNA KEA, Hawaii, Dec. 8, 2011 — The world’s largest submillimeter camera is now ready to scan the universe, including faint and faraway parts never before seen. Mounted on the James Clerk Maxwell Telescope on Mauna Kea, the instrument will advance studies of the origins of...
Solar Concentration Without Mirrors
CAMBRIDGE, Mass., Dec. 7, 2011 — By employing a photonic crystal to keep heat from escaping, thermophotovoltaic devices can concentrate sunlight without mirrors, potentially making thermophotovoltaics much simpler and less expensive because they can be made using standard...
SPIE CEO: Photonics Industry Growing
HONG KONG, Dec. 7, 2011 — The demand for photonics is large and on the way to becoming "enormous," yet the ubiquitous technology remains nearly invisible to the general public, SPIE CEO Eugene Arthurs told participants last month at the Hong Kong Optical Engineering...
Young Star Really Gets Around
BALTIMORE, Dec. 7, 2011 — The fastest spinning star yet has been discovered, a hot blue giant rotating at a stupefying million miles an hour. Twirling 100 times faster than our sun does, the star VFTS 102 is very close to the limit at which it would be torn apart because of...
Lasers Control Electronic Spin
CAMBRIDGE, Mass., Dec. 6, 2011 — For the first time, light has proved useful in obtaining information about the spin of electrons flowing over topological insulators — a discovery that could open up possibilities for new devices based on spintronics and magnetic data storage....
UArizona Receives $500K for THz Imager
TUCSON, Ariz., Dec. 6, 2011 — The University of Arizona College of Engineering has received half a million dollars to develop a unique terahertz imaging instrument. The imager will generate terahertz emissions and analyze how spectra in this range are absorbed and reflected by...

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