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Current Metamaterial News and Events, Metamaterial News Articles.
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Highly efficient broadband terahertz radiation from metamaterials
Scientists at the US Department of Energy's Ames Laboratory have demonstrated broadband terahertz wave generation using metamaterials. The discovery may help develop noninvasive imaging and sensing, and make possible terahertz-speed information communication, processing and storage. (2014-01-17)

'Superlens' extends range of wireless power transfer
Researchers have for the first time demonstrated the feasibility of wireless power transfer using low-frequency magnetic fields over distances much larger than the size of the transmitter and receiver. (2014-01-10)

Penn research helps lay out theory for metamaterials that act as an analog computer
A new study shows that metamaterials can be designed to do (2014-01-09)

Inverse design: New route to design a practical invisibility cloak
Invisibility has become a scientific possibility with the emergence of metamaterials and transformation optics in the past few years. In 2013, a paper published in issue 12 of SCIENCE CHINA Information Sciences reviewed design methodologies and experimental developments of the invisibility cloak from a practical perspective. The recent transition from a forward cloaking design to inverse cloaking design was also addressed. (2014-01-06)

Large-aperture planar lens antennas with gradient refractive index
Lens antennas are in widespread use in a variety of applications. Recently, an accurate method was proposed to design large-aperture, three-dimensional gradient-index (GRIN) slab lens antennas. Compared with traditional dielectric lenses of the same aperture, the proposed antennas promise superior performance. This is a typical application of metamaterials. This work is reported in SCIENCE CHINA Information Sciences, 2013, No. 12. (2013-12-31)

Berkeley Lab researchers create a nonlinear light-generating zero-index metamaterial
Berkeley Lab researchers have used a unique optical metamaterial with zero-index refraction to generate phase mismatch-free nonlinear light, an important step towards efficient light generation for future quantum networks and light sources. (2013-12-05)

Thin, active invisibility cloak demonstrated for first time
Invisibility cloaking is no longer the stuff of science fiction: two researchers in The Edward S. Rogers Sr. Department of Electrical & Computer Engineering have demonstrated an effective invisibility cloak that is thin, scalable and adaptive to different types and sizes of objects. (2013-11-12)

Wireless device converts 'lost' energy into electric power
Using inexpensive materials configured and tuned to capture microwave signals, researchers at Duke University's Pratt School of Engineering have designed a power-harvesting device with efficiency similar to that of modern solar panels. (2013-11-07)

Designing an acoustic diode
Most people know about ultrasound through its role in prenatal imaging: those grainy, grey outlines of junior constructed from reflected sound waves. A new technology called an (2013-11-01)

Plasmonic crystal alters to match light-frequency source
A plasma-containing crystal, tunable by varying a voltage, could increase the bandwidth of high-speed communication networks and generally enhance high-speed electronics. (2013-10-29)

Saarbr├╝cken physicists aim to make transition to quantum world visible
Theoretical physicist Frank Wilhelm-Mauch and his research team at Saarland University have developed a mathematical model for a type of microscopic test lab that could provide new and deeper insight into the world of quantum particles. The new test system will enable the simultaneous study of one hundred light quanta and their complex quantum mechanical relationships -- a far greater number than was previously possible. The work could help in the development of quantum computers. (2013-10-25)

Sir John Pendry awarded the Julius Springer Prize for Applied Physics 2013
This year's Julius Springer Prize for Applied Physics will be awarded to Sir John Pendry, one of the world's leading condensed matter theorists. His revolutionary work on metamaterials has opened the doors to a wide range of new possibilities in applied physics. The award, accompanied by US$ 5,000, will be presented on Oct. 18, 2013 at the Magnus Haus of the German Physical Society in Berlin, Germany. (2013-10-10)

Laser guided codes advance single pixel terahertz imaging
By using a laser beam to send a detailed set of instructions that create a coded aperture, researchers at Boston College have enabled a new method that may help tame terahertz waves in order to create new imaging technology. (2013-06-25)

Researcher construct invisibility cloak for thermal flow
By means of special metamaterials, light and sound can be passed around objects. KIT researchers now succeeded in demonstrating that the same materials can also be used to specifically influence the propagation of heat. A structured plate of copper and silicon conducts heat around a central area without the edge being affected. The results are presented in the Physical Review Letters journal. (2013-05-08)

Theory and practice key to optimized broadband, low-loss optical metamaterials
The union of theory and practice makes broadband, low-loss optical devices practical, which is why two groups of Penn State engineers collaborated to design optical metamaterials that have custom applications that are easily manufactured. (2013-03-28)

'Metascreen' forms ultra-thin invisibility cloak
Up until now, the invisibility cloaks put forward by scientists have been fairly bulky contraptions -- an obvious flaw for those interested in Harry Potter-style applications. (2013-03-25)

Berkeley Lab researchers use metamaterials to observe giant photonic spin hall effect
Engineering a unique metamaterial of gold nanoantennas, Berkeley Lab researchers were able to obtain the strongest signal yet of the photonic spin Hall effect, an optical phenomenon of quantum mechanics that could play a prominent role in the future of computing. (2013-03-21)

Electrical signals dictate optical properties
Researchers at the University of Southampton's Optoelectronics Research Centre have created an artificial material, a metamaterial, with optical properties that can be controlled by electric signals. (2013-03-19)

Texas A&M research contributes to improved ultrasound imaging
Ultrasound technology could soon experience a significant upgrade that would enable it to produce high-quality, high-resolution images, thanks to the development of a new key material by a team of researchers that includes a professor in the Department of Biomedical Engineering at Texas A&M University. (2013-03-05)

Forget about leprechauns, engineers are catching rainbows
University at Buffalo engineers have created a more efficient way to catch rainbows, an advancement in photonics that could lead to technological breakthroughs in solar energy, stealth technology and other areas of research. (2013-02-15)

Novel sensor provides bigger picture
Duke University engineers have developed a novel sensor that is more efficient, versatile and cheaper for potential use in such applications as airport security scanners and collision avoidance systems for aircraft, cars or maritime vessels. (2013-01-17)

Penn metamaterials experts show a way to reduce electrons' effective mass to nearly 0
The field of metamaterials involves augmenting materials with specially designed patterns, enabling those materials to manipulate electromagnetic waves and fields in previously impossible ways. Now, researchers from the University of Pennsylvania have come up with a theory for moving this phenomenon onto the quantum scale, laying out blueprints for materials where electrons have nearly zero effective mass. Such materials could make for faster circuits with novel properties. (2012-12-18)

Silver nanocubes make super light absorbers
Microscopic metallic cubes could unleash the enormous potential of metamaterials to absorb light, leading to more efficient and cost-effective large-area absorbers for sensors or solar cells, Duke University researchers have found. (2012-12-06)

Morphing DNA hydrogel flows like liquid but remembers its original shape
A new material created by Cornell researchers is so soft it can flow like a liquid and then, strangely, return to its original shape. The hydrogel, a mesh of organic molecules with many small empty spaces that can absorb water like a sponge, qualifies as a (2012-12-05)

Making a better invisibility cloak
The first functional (2012-11-11)

A new take on the Midas touch -- changing the color of gold
Red gold, green gold -- a ground-breaking initiative has found a way of changing the color of the world's most iconic precious metal. A University of Southampton team have discovered that by embossing tiny raised or indented patterns onto the metal's surface they can change the way it absorbs and reflects light -- ensuring our eyes don't see it as (2012-10-24)

Brown University to lead multi-university research on quantum metamaterials
Through a new Multidisciplinary University Research Initiative awarded by the Air Force Office of Scientific Research, researchers from Brown University will lead an effort to study new optical materials and their interactions with light quantum scale. The initiative, titled Quantum Metaphotonics and Quantum Metamaterials, will receive $4.5 million over three years, with a possible two-year extension. (2012-10-02)

NSF research alliances begin new efforts to accelerate innovation
The National Science Foundation recently awarded nearly six million dollars for eight emerging-technology projects that may result in technologies poised for commercialization. (2012-08-02)

First 3-D nanoscale optical cavities from metamaterials
Berkeley Lab researchers have created the world's smallest three-dimensional optical cavities with the potential to generate the world's most intense nanolaser beams. In addition to nanolasers, these unique optical cavities should be applicable to a broad range of other technologies, including LEDs, optical sensing, nonlinear optics, quantum optics and photonic integrated circuits. (2012-06-26)

'Metamaterials,' quantum dots show promise for new technologies
Researchers are edging toward the creation of new optical technologies using (2012-05-24)

New 'metamaterial' practical for optical advances
Researchers have taken a step toward overcoming a key obstacle in commercializing (2012-05-15)

KIT researchers succeed in realizing a new material class
A research team lead by Professor Martin Wegener at the Karlsruhe Institute of Technology has succeeded in realizing a new material class through the manufacturing of a stable crystalline metafluid, a pentamode metamaterial. Using new nanostructuring methods, these materials can now be realized for the first time with any conceivable mechanical properties. The researchers will present their results in the cover story of the May issue of Applied Physics Letters. (2012-05-08)

Improving on the amazing: Ames Laboratory scientists seek new conductors for metamaterials
Scientists at the US Department of Energy's Ames Laboratory have designed a method to evaluate different conductors for use in metamaterial structures, which are engineered to exhibit properties not possible in natural materials. (2012-04-24)

Topological transitions in metamaterials
A University of Alberta researcher is closer to understanding some of the exotic electronic properties in matter using optical analogues. (2012-04-13)

Exotic materials will change optics, Duke researchers say
Duke University engineers believe that continued advances in creating ever-more exotic and sophisticated man-made materials will greatly improve their ability to control light at will. (2012-03-18)

Metamaterials may advance with new femtosecond laser technique
Researchers in applied physics have cleared an important hurdle in the development of advanced materials, called metamaterials, that bend light in unusual ways. Working at a scale applicable to infrared light, the Harvard team has used extremely short and powerful laser pulses to create three-dimensional patterns of tiny silver dots within a material. Those suspended metal dots are essential for building futuristic devices like invisibility cloaks. (2012-03-08)

UT Engineering faculty receive almost $1.4 million in NSF CAREER awards
Four faculty members from the Cockrell School of Engineering at the University of Texas at Austin have been selected to receive Faculty Early Career Development awards totaling nearly $1.4 million from the National Science Foundation. (2012-03-02)

Exotic material boosts electromagnetism safely
Using exotic man-made materials, scientists from Duke University and Boston College believe they can greatly enhance the forces of electromagnetism, one of the four fundamental forces of nature, without harming living beings or damaging electrical equipment. (2012-02-29)

Almost perfect: A breakthrough in superlens development
Durdu Guney's theoretical negative-index metamaterial works by overcoming the diffraction limit throughout the visible spectrum. (2012-01-09)

New metamaterial allows transmission gain while retaining negative refraction property
Electrical engineers at the University of Arizona studying a negative index metamaterial have observed a previously unheard of net gain at microwave frequency, demonstrating a previously debated hypothesis; study to be published in forthcoming APS journal, Physical Review Letters. (2011-11-09)

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