Metamaterials—nanoengineered structures designed for precise control and manipulation of electromagnetic waves—have enabled such innovations as invisibility cloaks and super-resolution microscopes. Using transformation ...
Nanophysics
Sep 22, 2020
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28
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 ...
Nanophysics
Mar 28, 2013
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0
Researchers at Chalmers University of Technology have developed a method that enables them to manipulate light to follow any predetermined path along a surface. The innovation has now been described as one of the world's ...
Optics & Photonics
Nov 29, 2016
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21
Sandia National Laboratories has created the first inverse-design software for optical metamaterials—meaning users start by describing the result they want, and the software fills in the steps to get there. The modern design ...
Optics & Photonics
Mar 27, 2019
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8
Topological insulators have notable manifestations of electronic properties. The helicity-dependent photocurrents in such devices are underpinned by spin momentum-locking of surface Dirac electrons that are weak and easily ...
Engineers at Caltech and ETH Zürich in Switzerland have created a method to systematically design metamaterials using principles of quantum mechanics.
Engineering
Jan 18, 2018
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11
In a new publication from Opto-Electronic Advances, researchers led by Professor Liu Yan from Xidian University, China and Professor Gan Xuetao from Northwestern Polytechnical University, China, consider generation and application ...
Optics & Photonics
Jul 23, 2021
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7
Physicists from the University of California at San Diego (UCSD) have demonstrated a new technique to control the speed and direction of light using memory metamaterials whose properties can be repeatedly changed.
General Physics
Aug 15, 2011
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0
A novel approach to designing artificial materials could enable magnetic devices with a wider range of properties than those now available. An international team of researchers have now extended the properties and potential ...
Nanophysics
May 24, 2012
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0
Optical lenses that can see features smaller than the wavelength of light cannot be made from conventional materials. Creating "hyperlenses" that can take ultra-sharp images needs both designer materials (that is, metamaterials) ...
Nanophysics
May 31, 2017
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