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Research & Technology News
MIR Laser Creates High-Flux X-Ray Pulses
VIENNA, Nov. 13, 2014 — Studying time-dependent incidents on short timescales requires femtosecond, high-flux x-ray pulses. A new high-intensity mid-infrared laser system accomplishes this challenging feat.
Brain Studies Advance Neural Mapping, Axon Control
ARLINGTON, Texas, Nov. 12, 2014 — Probing the brain with lasers could not only advance understanding of the organ, but also help heal it.
Drugs Enhance SPECT Imaging of Metastatic Cancer
NEW YORK, Nov. 12, 2014 — New drugs that bind to metastatic prostate cancer in soft tissue, lymph nodes and bone can enhance SPECT and planar imaging.
Shifting Modes Enable Free-Space Optical Communication
VIENNA, Nov. 12, 2014 — Twisted beams of light have been used to transmit images through the air over 3 km, demonstrating significant data-carrying capacity of light in free-space communications. A team from the Institute for Quantum Optics and Quantum Information (IQOQI),...
Phosphorescent Bandage Helps Wound Assessment
CAMBRIDGE, Mass., Nov. 11, 2014 — A “smart” bandage can indicate oxygen concentration in severely damaged tissue, potentially increasing the success rate of surgeries to restore limbs and physical functions. With wounded soldiers in mind, a team from the Wellman Center...
Canada to Foster Quantum Photonics Collaborations
OTTAWA, Ontario, Canada, Nov. 7, 2014 — Canada’s National Research Council has set out on a mission to foster development of next-generation photonic sensors and quantum encryption systems. The Quantum Photonic Sensing and Security program is aimed forming partnerships to translate...
Handheld Probe Combines Photoacoustics, Ultrasound
ENSCHEDE, Netherlands, Nov. 7, 2014 — A new handheld imaging system that combines photoacoustics and ultrasound produces real-time, detailed images of blood vessels, internal organs and body parts.
Light Damps 2-D Semiconductor Conductivity
CAMBRIDGE, Mass., Nov. 7, 2014 — While light enhances the conductivity of most semiconductors, it has the opposite effect on 2-D molybdenum disulfide. A team from MIT and Harvard University discovered the phenomenon, in which intense laser pulses reduced by about two-thirds the...
Software Offers Panoramic Views for Endoscopy
ERLANGEN, Germany, Nov. 7, 2014 — A software program that fuses together endoscope images could offer a fuller internal view of organs to better diagnose cancer and other ailments. The program — Endorama — developed by researchers at the Fraunhofer Institute for...
Sunlight, Nanoparticles Break Down Pollutants
WEST BENGAL, India, Nov. 6, 2014 — A class of pollutants that negatively affect hormones can be broken down using nanoparticles and sunlight. Researchers from the Center for Advanced Materials at the Indian Association for the Cultivation of Science developed the method, which...
$1.2M Grant Advances Metal-Organic Frameworks for Solar Cells
LIVERMORE, Calif., Nov. 5, 2014 — A $1.2 million grant from the U.S. Department of Energy’s SunShot Initiative will help researchers at Sandia National Laboratories develop materials that could make solar power cost-competitive with other sources of energy. The work builds on...
Photoacoustics Exposes Arterial Plaques
WEST LAFAYETTE, Ind., Nov. 5, 2014 — Measuring ultrasound signals generated by a fast-pulsing laser could advance diagnosis of cardiovascular disease. A new technique called intravascular photoacoustic imaging takes precise 3-D images of plaques lining arteries and reveals the presence...
Subwavelength Optical Fiber Sensitive to Sound
PARIS, Nov. 5, 2014 — Subwavelength optical fibers that produce a newly identified type of Brillouin light scattering could guide the development of highly sensitive sensors.
Seven-Core Fiber Achieves Record 255 Tb/s Transmission
EINDHOVEN, Netherlands, Nov. 4, 2014 — A new type of optical fiber has 21 times more bandwidth than is available in existing communications networks, potentially cutting the impending “optical transmission capacity crunch” off at the pass. A team from Eindhoven University of...
$100M Photonics Institute Launched in Singapore
SINGAPORE, Nov. 3, 2014 — A new photonics research institute aims to be a focal point for development of the next generation of optoelectronics. Nanyang Technological University (NTU) and the Optoelectronics Research Center (ORC) at the University of Southampton in England...
Bioimaging Technique Isolates Moving Tissue
ST. LOUIS, Nov. 3, 2014 — Light-guiding technology could take scientists on a journey inside blood vessels. The new technology — time-reversed adapted-perturbation (TRAP) optical focusing, developed by a team at Washington University in St. Louis — guides light...
Strong Photon-Photon Interaction Created in Fiber
VIENNA, Nov. 3, 2014 — An ultrathin glass fiber system could facilitate the interaction of pairs of photons. The technique, developed by a team at the Vienna University of Technology, could become an important tool in furthering quantum computing. To establish the...
Laser Tractor Beam Operates on Centimeter Scale
CANBERRA, Australia, Oct. 30, 2014 — A new laser tractor beam has the ability to attract and repel millimeter-scale objects over longer distances than previously possible.
Solar Cell Fabrication Technique Uses Impure Silicon
TRONDHEIM, Norway, Oct. 30, 2014 — Less-expensive raw materials in lower quantities could mean fewer production steps in manufacturing solar panels — and potentially lower energy consumption. A team from the Norwegian University of Science and Technology (NTNU) has developed a...
Laser Ablation Could Boost Jet, Rocket Fuel Efficiency
SOSNOVY BOR, Russia, Oct. 29, 2014 — A new approach to the concept of laser propulsion could launch satellites into orbit and push aircraft past Mach 10 with enhanced fuel efficiency. By ablating solid fuel inside a jet nozzle, laser pulses could increase the speed of gas flow out of...
‘Astro-Comb’ Rediscovers Venus to Find Exoplanets
CAMBRIDGE, Mass., Oct. 28, 2014 — Examining Venus’ influence on the solar spectrum could help astronomers discover Earth-like planets orbiting distant stars. A team from the Harvard-Smithsonian Center for Astrophysics is developing a laser-based frequency comb to measure this...
Algae Carbon Flow Controlled by Changing Light Colors
LEIPZIG, Germany, Oct. 28, 2014 — Blue and red light-sensing photoreceptors can be used to control the carbon flow in diatoms, a major group of algae that generates about one-fourth of the Earth’s oxygen and perform around a quarter of global CO2 assimilation. Researchers from...
Nanoconstructs Aid Ovarian Cancer Targeting
RIVERSIDE, Calif., Oct. 28, 2014 — Newly developed nanostructures haves proven to be effective biomarkers of ovarian cancer cells — and vehicles for their destruction. A team from the University of California, Riverside, and the University of Texas said their approach...
Video Captures Laser Pulses at ‘1 Billion FPS’
WARSAW, Poland, Oct. 24, 2014 — Hollywood laser blasts give off bright colors and are easy to track with the eye. In real life, laser pulses flash by faster than the eye — or even the fastest camera — can follow. To visualize the propagation of a roughly 12 fs pulse,...
Laser Combiner a Compact Solution for Wearable Displays
FUKUI, Japan, Oct. 23, 2014 — A laser beam combiner no larger than a grain of rice can enable laser-scanning displays in wearable computer systems. A team from the University of Fukui developed the new device. It could offer immediate, hands-free access to information via...
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