Manipulating light at will - Duke metamaterials strike again
A schematic of the first 3-D "fishnet" metamaterial that can achieve a negative index of refraction at optical frequencies. The alternating layers form small circuits that can bend light backwards. (Image: Jason Valentine/UC Berkeley)
Article Summary
Duke University is on a roll, showing off yet another potentially game-changing property of the exotic man-made substances known as metamaterials. This time the property could have deep consequences for the transmission of information via light. Maybe the most important potential use of all.
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