Current Metamaterial News and Events | Page 6

Current Metamaterial News and Events, Metamaterial News Articles.
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Solar power could get boost from new light absorption design
Under the direction of a new professor at Northwestern University's McCormick School of Engineering and Applied Science, researchers have developed a new material that absorbs a wide range of wavelengths and could lead to more efficient and less expensive solar technology. (2011-11-02)

Single photons for optical information transfer
A research team at the University of Alberta wants to refine the optical transmission of information by using a single photon, the fundamental building block of light that can allow unprecedented applications in optical information transfer. (2011-10-27)

Cloaking magnetic fields -- the first antimagnet
Spanish researchers have designed what they believe to be a new type of magnetic cloak, which shields objects from external magnetic fields, while at the same time preventing any magnetic internal fields from leaking outside, making the cloak undetectable. (2011-09-22)

$21.5 million for materials research at the University of Utah
The University of Utah is launching a six-year, $21.5 million effort to conduct basic research aimed at developing new materials for uses ranging from faster computers and communications devices to better microscopes and solar cells. The new Center of Excellence in Materials Research and Innovation is funded by a $12 million grant from the National Science Foundation, $6.5 million from the Utah Science Technology and Research initiative and $3 million from university. (2011-09-09)

Bending light with better precision
Finer control over electromagnetic radiation using memory metamaterials yields technology that could improve medical imaging devices, airport security, and satellite communications, as well as provide new methods for object cloaking. (2011-08-15)

Effortless sailing with fluid flow cloak
Duke engineers have already shown that they can (2011-08-11)

Manipulating light at will
Electrical engineers at Duke University have developed a material that allows them to manipulate light in much the same way that electronics manipulate flowing electrons. (2011-08-01)

Shining a light on the elusive 'blackbody' of energy research
A designer metamaterial can engineer emitted (2011-07-22)

Light propagation controlled in photonic chips -- major breakthrough in telecommunications field
Columbia Engineering researchers have built optical nanostructures that enable them to slow photons down and fully control light dispersion. They have shown that it is possible for light to propagate from point A to point B without accumulating any phase, spreading through the artificial medium as if the medium is completely missing in space. This is the first time simultaneous phase and zero-index observations have been made on the chip-scale and at the infrared wavelength. (2011-07-10)

Why 'event cloaks' could be the key to the ultimate bank heist
In this month's special issue of Physics World, which examines the science and applications of invisibility, Martin McCall and Paul Kinsler of Imperial College London describe a new type of invisibility cloak that does not just hide objects -- but events. (2011-06-30)

NIST tunes 'metasurface' with fluid in new concept for sensing and chemistry
NIST researchers have demonstrated a unique fluid-tuned (2011-06-08)

Novel man-made material could facilitate wireless power
Electrical engineers at Duke University have determined that unique man-made materials should theoretically make it possible to improve the power transfer to small devices, such as laptops or cell phones, or ultimately to larger ones, such as cars or elevators, without wires. (2011-05-23)

Metamaterials approach makes better satellite antennas
Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State and Lockheed Martin Corp. (2011-01-30)

Newly developed cloak hides underwater objects from sonar
Led by mechanical science and engineering professor Nicholas Fang, Illinois researchers have demonstrated an acoustic cloak, a technology that renders underwater objects invisible to sonar and other ultrasound waves. In a paper accepted for publication in the journal Physical Review Letters, Fang's team describe their working prototype, metamaterial capable of hiding an object from a broad range of sound waves. Sixteen layers of specially structured acoustic circuits bend sound waves to wrap them around the outer layers of the cloak. (2011-01-05)

Iowa State, Ames Lab physicist developing, improving designer optical materials
Costas Soukoulis of Iowa State University and the Ames Laboratory writes about the development of optical metamaterials in the latest issue of the journal Science. He writes advanced fabrication techniques may make the man-made materials a practical way to control light for superlenses and other applications. (2010-12-16)

Novel metamaterial vastly improves quality of ultrasound imaging
A new copper (2010-11-09)

Meta-flex: Your new brand for invisibility clothing
Flexible smart materials that can manipulate light to shield objects from view have been much-theorized but now researchers in Scotland have made a practical breakthrough that brings the possibility of an invisibility cardigan -- or any other item of invisibility clothing -- one step closer. (2010-11-03)

Implantable silk metamaterials could advance biomedicine, biosensing
Researchers have fabricated and characterized the first large-area metamaterial structures patterned on implantable, bio-compatible silk substrates. The antenna-like devices can monitor the (2010-08-12)

Researchers demonstrate highly directional terahertz laser rays
A collaborative team of applied scientists from Harvard University and the University of Leeds have demonstrated a new terahertz (THz) semiconductor laser that emits beams with a much smaller divergence than conventional THz laser sources. The advance, published in the Aug. 8 issue of Nature Materials, opens the door to a wide range of applications in terahertz science and technology. Harvard has filed a broad patent on the invention. (2010-08-08)

Transformation optics make a U-turn for the better
Berkeley researchers have combined the scientific fields of transformation optics and plasmonics to demonstrate that with only moderate modifications of the dielectric component of a metamaterial, the physical space through which light travels can be altered with promising results, such as the creation of a 180 degree bend that won't alter the energy or properties of a light beam as it makes the U-turn, or a plasmonic version of a Luneburg lens. (2010-07-06)

New 'metamaterial' device may lead to see-through cameras and scanners
Devices that can mimic Superman's X-ray vision and see through clothing, walls or human flesh are the stuff of comic book fantasy, but a group of scientists at Boston University has taken a step toward making such futuristic devices a reality. The researchers will present their device at the Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS: 2010), being held May 16-21 in San Jose, Calif. (2010-05-06)

Caltech-led team designs novel negative-index metamaterial that responds to visible light
A group of scientists led by researchers from Caltech has engineered a type of artificial optical material -- a metamaterial -- with a particular three-dimensional structure such that light exhibits a negative index of refraction upon entering the material. In other words, this material bends light in the (2010-04-22)

Engineered metamaterials enable remarkably small antennas
In an advance that might interest Q-Branch NIST and partners from industry and academia have designed and tested experimental antennas that are highly efficient and yet a fraction of the size of standard antenna systems with comparable properties. (2010-01-26)

Next generation lens promises more control
Duke University engineers have created a new generation of lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater detail. (2009-12-20)

£4.9 million to develop metamaterials for 'invisibility cloaks' and 'perfect lenses'
Research into designing and building unique (2009-11-12)

Flipping a photonic shock wave
Physicists at Zhejiang University in China and the Massachusetts Institute of Technology has developed a new metamaterial structure that successfully demonstrates reverse Cerenkov radiation. (2009-11-02)

New nanotech sensor developed with medical, chemistry applications
Researchers at Oregon State University and other institutions have developed a new (2009-10-11)

Light at the speed of a bicycle and much more
The Institute of Physics and the Engineering and Physical Sciences Research Council are launching a new report today, Wednesday, Sept. 9, titled (2009-09-09)

Beyond the looking glass
While the researchers can't promise delivery to a parallel universe or a school for wizards, books like Pullman's Dark Materials and JK Rowling's Harry Potter are steps closer to reality now that researchers in China have created the first tunable electromagnetic gateway. (2009-08-13)

The guiding of light: A new metamaterial device steers beams along complex pathways
Boston College physicist Willie J. Padilla and researcher Nathan Landy have built a device from metamaterials and transformational optics that delivers a complex set of instructions capable of guiding light with unprecedented accuracy. The discovery expands on earlier (2009-07-31)

Discovery at UAB brings us nearer to making the dream of invisibility true
A group of researchers from the Department of Physics at UAB have designed a device, called a dc metamaterial, which makes objects invisible under certain light -- very low frequency electromagnetic waves - by making the inside of the magnetic field zero but not altering the exterior field. The device, which up to date has only been studied in theoretical works, thus acts as an invisibility cloak, making the object completely undetectable to these waves. (2009-07-07)

First acoustic metamaterial 'superlens' created by University of Illinois researchers
A team of Illinois researchers led by Nicholas X. Fang, left, a professor of mechanical science and engineering, have created the world's first acoustic metamaterial (2009-06-24)

Nanocups brim with potential
Researchers at Rice University have created a metamaterial that could light the way toward high-powered optics, ultra-efficient solar cells and even cloaking devices. (2009-03-13)

Team develops new metamaterial device
Terahertz radiation, a fleeting phase of the electromagnetic spectrum, has proved difficult to manipulate with great precision. A team of researchers report engineering a solid-state metamaterial device capable of controlling a terahertz beam 30 times faster than a conventional optical device. The device could prove critical to new applications employing the terahertz frequency. (2009-02-24)

New research field promises radical advances in optical technologies
A new research field called transformation optics may usher in a host of radical advances including a cloak of invisibility and ultra-powerful microscopes and computers by harnessing nanotechnology and (2008-10-16)

First tunable, 'noiseless' amplifier may boost quantum computing, communications
Researchers at NIST and JILA have made the first tunable (2008-10-15)

Coastlines could be protected by invisibility cloak
Scientists at the University of Liverpool have tested an (2008-10-02)

New metamaterials that bend light backwards bring invisibility cloaks 1 step closer
UC Berkeley scientists have for the first time engineered 3-D bulk materials that can reverse the natural direction of visible and near-infrared light, a development that could help form the basis for higher resolution optical imaging, nanocircuits for high-powered computers, and, to the delight of science-fiction and fantasy buffs, cloaking devices that could render objects invisible to the human eye. (2008-08-11)

Nuisance noise silenced by an acoustic cloak
Researchers in Spain have proven that metamaterials, materials defined by their unusual man-made cellular structure, can be designed to produce an acoustic cloak -- a cloak that can make objects impervious to sound waves, literally diverting sound waves around an object. (2008-06-12)

New metamaterial proves to be a 'perfect' absorber of light
Boston College and Duke University researchers have engineered a new metamaterial that uses its unique geometric surface features to (2008-05-29)

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