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Research & Technology News

Esophageal Cancer Detected with Light
DURHAM, N.C., Jan. 10, 2011 — A tiny light source and sensors at the end of an endoscope may provide a more accurate way to identify pre-cancerous cells in the lining of the esophagus. Developed by biomedical engineers at Duke University and successfully tested on patients during a clinical trial at the University of North Carolina at Chapel Hill, the device holds the promise of being a less invasive method for testing patients suspected of having Barrett’s esophagus, a change in the lining of the esophagus due to...
Affordable X-FEL Built
EINDHOVEN, The Netherlands, Jan. 7, 2011 — Stanford University has an X-FEL (X-ray Free Electron Laser) with a price tag of hundreds of millions. It provides images of “molecules in action,” using a kilometer-long electron accelerator. Researchers at Eindhoven University of...
Hornet Shells Harvest Solar Energy
TEL AVIV, Israel, Jan. 7, 2011 — Physicists have demonstrated how the Oriental hornet takes the sun’s energy and converts it into electric power, in particular the brown and yellow stripes on the hornet’s abdomen, which absorb solar radiation. "The interesting thing...
Benelux Photonics Event Expands
EINDHOVEN, The Netherlands, Jan. 6, 2011 — Organized by Mikrocentrum and Photonics Cluster Netherlands, Fotonica Evenement 2011 is the meeting point in the Benelux to discover new possibilities in the field of photonics. The fifth edition conference and exhibition will be expanded into...
Carbon Nanotubes As Optical Antennae
ITHACA, N.Y., Jan. 6, 2011 — Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell University researchers have discovered. Carbon nanotubes, cylindrical rolled-up sheets of carbon atoms, might...
Laser-based Processes Simulated by Computer Cluster
AACHEN, Germany, Jan. 6, 2011 — Fraunhofer ILT has built a high-performance computer cluster at the Center for Nanophotonics to simulate laser-based production processes. These processes cover a wide span of time and length scales, especially in new techniques from micro- and...
New Solar Cell Mimics Self-Repairing Plants
WEST LAFAYETTE, Ind., Jan. 6, 2011 — Researchers are creating a type of solar cell designed to self-repair the same way natural photosynthetic systems in plants do, by using carbon nanotubes and DNA. The approach is aimed at increasing service life and reducing cost. ...
Optical Materials Going Designer
AMES, Iowa, Jan. 6, 2011 — Advancements in fabrication technologies may lead to superlenses and other designer optical materials, according to an Iowa State University and Ames Laboratory physicist. In an article titled “Improving Metamaterials” published in...
1st High-temp Spin-FET Developed
COLLEGE STATION, Texas, Jan. 5, 2011 — An international team of researchers featuring Texas A&M University physicist Dr. Jairo Sinova has announced a breakthrough that they say gives a new spin to semiconductor nanoelectronics and the world of information technology. The team...
Plasmon Lasers Taken Out of Deep Freeze
BERKELEY, Calif., Jan. 5, 2011 — A new technique allows plasmon lasers to operate at room temperature, freeing the technology from vacuum chambers cooled to cryogenic temperatures and overcoming a major barrier to their practical use. The achievement, by researchers at the...
Imaging Antismoking Meds at Work
CHICAGO, Jan. 4, 2010 — The smoking cessation medications bupropion and varenicline may both be associated with changes in the way the brain reacts to smoking cues, making it easier for patients to resist cravings, according to two reports posted online that will appear in...
Laser Welding Processes Visualized in Real Time
STUGGART, Germany, Jan. 4, 2011 — A new x-ray video facility put into operation in November at the Institute for Laser Tools of the University of Stuttgart makes it possible to visualize laser processes in real time via x-ray video, for the first time in Europe.
Registration Open for 5th Annual Photonics21 Meeting
DUESSELDORF, Germany, Jan. 4, 2011 — Registration is now open for 5th annual meeting of the European Technology Platform Photonics21, which will take place Feb. 23-24, 2011 at the Radisson Blu Royal Hotel in Brussels, Belgium. With a focus theme of “The way forward –...
IBM: We’ll Chat with Holograms in 2015
ARMONK, N.Y., Jan. 3, 2011 — In the next five years, we will be able to interact with 3-D holograms of our friends in real time, batteries will "breathe" air to power our devices, commutes will be personalized, and you won’t need to be a scientist to save the planet....
Laser Analysis Used for Mining
AACHEN, Germany, Jan. 3, 2011 — As the demand for minerals and other natural resources increases so does the need for the optimization of mining techniques. The Fraunhofer Institute for Laser Technology ILT has now developed a laser analysis system that makes identifying potential...
Production of Gold Nanoantennas Made Highly Precise
Washington, Jan. 3 , 2010 — Moving a step closer toward quantum computing, a research team in the Netherlands recently fabricated a photodetector based on a single nanowire, in which the active element is a single quantum dot with a volume of a mere 7000 cubic nanometers. ...
3-D interior modeling: A virtual walk on the inside
BERKELEY, Calif. – A laser-equipped backpack worn by a human operator has provided 3-D modeling of interior sections of a campus building at the University of California, enabling a virtual walk through the academic halls. Automated 3-D modeling of building interiors...
Gaining chirped pulse amplification with fiber only
VILLENEUVE D’ASCQ, France – Optical parametric amplification is a common method for improving laser-based telecommunications by boosting signal strength across long lengths of fiber optics. If you chirp the signal pulses – stretching and recompressing each pulse –...
Lasers ready to flourish again in 2011
Jan 1, 2011 — If there is a recession, somebody needs to remind the laser industry. Despite a miserable two years for most industries – especially real estate, banking and automotive – most companies who make lasers saw only a fairly short and shallow...
Quantum cloning: Radiometry on a small scale
GENEVA – Measuring the luminous power of light is a basic task in physics laboratories and telecom applications. Until recently, however, measuring light energy in an absolute manner has required the complex equipment and techniques available only in...
Single photons retain character as wavelength changes
GAITHERSBURG, Md. – The wavelength of a single photon can be changed significantly without destroying its fundamental quantum character, researchers have reported. This finding has application in the developing field of quantum information science, which includes...
Single-shot 3D imaging matrix offers stealth capabilities
GRENOBLE, France – Researchers have demonstrated a single-pulse active 3D imaging matrix operating in the infrared. The imaging matrix can produce a three-dimensional image of a distant object with only a single laser pulse, said the investigators, who work with the...
Synchrotron x-rays from a tabletop source
LONDON – A tabletop instrument in development may have the potential to produce bright, spatially coherent synchrotron x-rays similar in energy and quality to those generated by some of the largest x-ray facilities in the world. Such x-rays could enable...
Telecom tech could protect aircraft
ANN ARBOR, Mich. – Infrared supercontinuum laser technology could soon help protect military helicopters from heat-seeking missiles designed to home in on IR radiation emitted by a helicopter’s engine. Built with off-the-shelf telecom fiber optics, the laser...
Thin-film laser takes a practical approach to silicon photonics
DURHAM, N.C. – Scientists have successfully built a thin-film laser onto silicon that demonstrates the lowest threshold current densities to date for lasers on silicon integrated with waveguides. The Duke University researchers say that their tiny laser is cheap...

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