News tagged with negative refraction


Nanowire Metamaterial

Invisibility cloak now within sight: scientists (Update 2)

Physics / General Physics

created Aug 11, 2008 | popularity 4.5 / 5 (88) | comments 15

(PhysOrg.com) -- Scientists at the University of California, Berkeley, have for the first time engineered 3-D materials that can reverse the natural direction of visible and near-infrared light, a development ...


Perfect image without metamaterials... and a reprieve for silicon chips (w/ Video)

Perfect image without metamaterials... and a reprieve for silicon chips (w/ Video)

Physics / Optics & Photonics

created Sep 29, 2009 | popularity 2.9 / 5 (17) | comments 6

(PhysOrg.com) -- Since 2000, John Pendry's work on metamaterials has been at the van guard of efforts to create a perfect image - images with perfect resolution that can stem from light being moved in odd ...





Search results for negative refraction


Team to develop materials to bend lightwaves backwards

Physics /

created Apr 13, 2006 | popularity 4.8 / 5 (16) | comments 0

A University of Michigan research team will receive a combined total of $5 million over the next five years to support an interdisciplinary research project on negative refraction—or bending lightwaves downward.


Mathematicians find way to improve medical scans

Other Sciences / Mathematics

created Jan 07, 2008 | popularity 4.6 / 5 (5) | comments 0

Mathematicians at the University of Liverpool have found that it is possible to gain full control of sound waves which could lead to improved medical scans, for technology such as ultra sound machines.


Practical Cloaking Devices On The Horizon?

Physics / General Physics

created Aug 10, 2008 | popularity 4.5 / 5 (32) | comments 2

(PhysOrg.com) -- Invisibility cloaks get a step closer to realization, with the demonstration of a new material that can bend (visible) light the 'wrong' way for the first time in three dimensions.


Negative Refraction of Visible Light Demonstrated; Could Lead to Cloaking Devices

Physics / General Physics

created Mar 23, 2007 | popularity 4.4 / 5 (106) | comments 1

For the first time, physicists have devised a way to make visible light travel in the opposite direction that it normally bends when passing from one material to another, like from air through water or glass. The phenomenon ...


New nanotech research to enhance future digital imaging

Nanotechnology / Nanophysics

created Jul 10, 2008 | popularity 3.4 / 5 (5) | comments 0

A team of researchers from Northeastern’s Electronic Materials Research Institute has published research that has resulted in a new breakthrough in the field of nanophotonics, the study of light at the nanoscale level.


Black holes influence knowledge of the universe

Space & Earth /

created Mar 08, 2005 | popularity 3.5 / 5 (2) | comments 0

Black holes have a reputation for voraciously eating everything in their immediate neighborhood, but these large gravity wells also affect electromagnetic radiation and may hinder our ability to ever locate the center of ...


Novel semiconductor structure bends light 'wrong' way

Novel semiconductor structure bends light 'wrong' way -- the right direction for many applications

Physics / Condensed Matter

created Oct 14, 2007 | popularity 4.5 / 5 (77) | comments 0

A Princeton-led research team has created an easy-to-produce material from the stuff of computer chips that has the rare ability to bend light in the opposite direction from all naturally occurring materials. ...


Researchers use metamaterials to alter light's path, speed

Physics / General Physics

created Jul 21, 2006 | popularity 4.4 / 5 (46) | comments 0

Physicist Costas Soukoulis and his research group at the U.S. Department of Energy's Ames Laboratory on the Iowa State University campus are having the time of their lives making light travel backwards at negative speeds ...


Beyond the looking glass

Beyond the looking glass...

Physics / General Physics

created Aug 13, 2009 | popularity 4.3 / 5 (15) | comments 6

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 ...


Negative Index Materials: From Theory to Reality

Physics / Condensed Matter

created Jun 06, 2006 | popularity 4.4 / 5 (28) | comments 0

Kent State University researchers are leading a team of scientists from eight institutions, who have been awarded a $5.5 million Multidisciplinary University Research Initiative (MURI) from the Air Force Office of Scientific ...



List of search results for negative refraction