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NANO NEWS
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Grant Award Furthers Study of SWIR Light for Detecting Cancer
PISCATAWAY TOWNSHIP, N.J., Oct. 22, 2014 — Detecting cancer as early as possible can be crucial to providing effective treatment. The continuing development of a new imaging method could do just that. A Rutgers University research team, along with scientists from Singapore University of Technology and Design, is continuing to develop the new medical imaging method that would reduce — or even eliminate — the need for invasive, often time-consuming biopsies. The National Institute of Biomedical Imaging and...

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Magnetic Mirror Reflects Light in New Ways
ALBUQUERQUE, N.M., Oct. 16, 2014 — A new magnetic mirror uses non-metallic metamaterial properties to reflect IR light. Scientists at Sandia National Laboratories developed the magnetic mirror by placing nanoscale antennas at or very near the mirror’s surface, thereby...
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Fluorescent, Magnetic Nanoparticles Aid Bioimaging
CAMBRIDGE, Mass., Oct. 14, 2014 — Nanoparticles that fluoresce to enable tracking in the body can also be precisely manipulated with magnetic fields. Manipulating the particles with electromagnets is key to using them in biological research because the tiny particles could...

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Plasmon Laser Demonstrates Fastest Switching Speed
LONDON and JENA, Germany, Oct. 9, 2014 — A new plasmon semiconductor laser has demonstrated ultrafast switching speeds and is being touted as the world’s fastest. The laser was created at Imperial College London and Friedrich Schiller University Jena using semiconductor...
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Superresolution Microscopy Pioneers Win Nobel Prize in Chemistry
STOCKHOLM, Sweden, Oct. 8, 2014 — Circumventing the diffraction limit to achieve nanoscale microscope images has earned Eric Betzig, Stefan W. Hell and W.E. Moerner the 2014 Nobel Prize in Chemistry. Hell, director of the Max Planck Institute for Biophysical Chemistry in...

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Optical Switch Turns Polarization Into Direction
VIENNA, Oct. 7, 2014 — A single gold nanoparticle can translate light polarization into direction of propagation within ultrathin glass fiber. This “chiral waveguide coupler” can direct up to 94 percent of incident light in the desired direction, and...
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Nanopillars Enhance Solar Efficiency
AMHERST, Mass., Oct. 3, 2014 — Mimicking the highly efficient light-harvesting structures of blades of grass could boost power-conversion efficiency in solar panels. “For decades, scientists and engineers have placed great effort in trying to control the morphology...

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Photons Ride Optomechanical ‘Seesaw’
MINNEAPOLIS, Oct. 3, 2014 — A nanoscale “seesaw” that shuttles photons back and forth could present an optomechanical alternative for computing and sensing applications. On either side of the seesaw are photonic crystal cavities to capture photons. Optical...
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All-Metal Detector has Ultranarrow Absorption Band
EVANSTON, Ill., Oct. 2, 2014 — A new all-metal photodetector with an ultranarrow absorption band could lead to biosensors with greater sensitivity than ever. The device achieved a bandwidth of 12 nm by exploiting plasmonic surface lattice resonances of nanowire and...

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Gold Nanoclusters Enhance Solar Power
LONDON, Ontario, Canada, Sept. 30, 2014 — Gold nanoclusters could improve solar cell performance by more than 10 percent. A nanocluster made of just 144 gold atoms was used as a building block in the creation of a flexible network of plasmonic antennas that attracted extra light to...
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Existing Fab Methods Could Yield ‘Light Prison’
ENSCHEDE, Netherlands, Sept. 26, 2014 — A “prison for light” designed by Dutch theorists could be created using existing silicon-etching techniques and play a role in optical communications. The inverse woodpile photonic crystal has an atomic structure similar to...

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Deposition Technique Enables Large-Scale MoS2 Fabrication
SOUTHAMPTON, England, Sept. 24, 2014 — A new technique for fabricating larger amounts of molybdenum disulfide than previously possible could lead to an expanded array of optoelectronic devices. The technique involves depositing nanoscale MoS2 thin films on a variety of...
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Nuclear Spins Boost Electric Current in OLEDs
SALT LAKE CITY, Sept. 19, 2014 — A spintronic approach has been used to power plastic organic LEDs at room temperature and without strong magnetic fields. “We have shown we can use room-temperature, plastic electronic devices that allow us to see the orientation of...

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Color Display Technology Furthers ‘Squid Skin’ Project
HOUSTON, Sept. 16, 2014 — A new color display brings scientists one step closer to metamaterials that mimic the unique optical properties of squid, octopus and cuttlefish skin. Developed at Rice University’s Laboratory for Nanophotonics (LANP), the new...
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Nanowire Detector Assists Three-Photon Entanglement
WATERLOO, Ontario, Canada, Sept. 15, 2014 — An ultrafast, super-efficient single-photon detector has led to direct entanglement of three photons. Researchers at the University of Waterloo, with help from a team at the National Institute of Standards and Technology (NIST), made the...

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Nanocavity Switch Boasts Low Power Use
LAUSANNE, Switzerland, Sept. 8, 2014 — A new optical switch sets a record for minimal power use, making it a good candidate for nanophotonic circuitry, according to its creators. The silicon-based photonic crystal nanocavity (PCN) has a Q factor of 500,000. It was developed by a...
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Plasmonic Nanowire Shows Promise as Photonic Circuit
ROCHESTER, N.Y., and ZURICH, Sept. 5, 2014 — A new kind of nanowire efficiently guides both light and electricity. A team from the University of Rochester and the Swiss Federal Institute of Technology developed a basic photonic integrated circuit consisting of a silver nanowire and a...

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Carbon Nanotubes Get Better as Solar Cells
EVANSTON, Ill., Sept. 4, 2014 — A new type of carbon nanotube has taken a “big jump” beyond its predecessors in solar cell applications. Single-walled carbon nanotubes (SWCNT), developed by a team from Northwestern University’s McCormick School of...
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Spectroscopy Measures Nanoscale Material Strain
LAFAYETTE, Ind., Aug. 28, 2014 — A new spectroscopy technique could lead to microelectronics that perform better under stress and heat. A team from Purdue University developed the technique, called nanomechanical Raman spectroscopy. Raman spectroscopy can provide...

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Microsphere Exhibits Chip-Scale Lasing
CHAMPAIGN, Ill., Aug. 27, 2014 — Combining nanoplasmonic devices and optical microresonators can produce laser-like light emission, potentially paving the way for power-on-a-chip applications. “We have made optical systems at the microscopic scale that amplify light...
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Researchers Propose Lossless Nano-Optical Cables
EDMONTON, Alberta, Canada, Aug. 21, 2014 — New research proposes lossless nano-optical fibers small enough to replace copper wiring in computer chips. “We’re already transmitting data from continent to continent using fiber optics, but the killer application is using...

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Laser Cooling Enhances Atomic-Force Microscopy
CANBERRA, Australia, Aug. 19, 2014 — Cooling nanowire probes with lasers could lead to significant improvements in the sensitivity and resolution of atomic-force microscopes. The technique, developed by a team from Australian National University, uses lasers to achieve a...
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Metasurface Switches Polarization More Efficiently
ANN ARBOR, Mich., Aug. 12, 2014 — An ultrathin metasurface can alter light polarization with 50 percent efficiency, hinting at future microscale devices for controlling light. A team from the University of Michigan and its Lurie Nanofabrication Facility created the device,...

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Atwater and Polman Receive the Julius Springer Prize
BERLIN, Aug. 8, 2014 — Harry Atwater and Albert Polman received the annual Julius Springer Prize for Applied Physics; they were honored for their achievements in plasmonics and nanophotonics. Atwater and Polman have pioneered the use of metallic nanostructures...
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Ametek Acquires Amptek and Luphos
BERWYN, Pa., Aug. 6, 2014 — Ametek Inc., a global manufacturer of electronic instruments and electromechanical devices, has acquired Amptek Inc. and Luphos GmbH. Amptek provides x-ray detectors that utilize x-ray fluorescence for nondestructive materials analysis. ...






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