Search results for metamaterial

General Physics Aug 18, 2021

'Shadow waveguide' casts complex acoustic patterns to control particles

Engineers at Duke University have devised a new approach to using sound waves to manipulate tiny particles suspended in liquid in complex ways. Dubbed a "shadow waveguide," the technique uses only two sound sources to create ...

Materials Science Aug 17, 2021

Using bioinspired microvasculature to control material properties

Researchers have created and demonstrated a new vascular metamaterial that can be reconfigured to modify its thermal and electromagnetic properties.

Optics & Photonics Aug 13, 2021

Electrically-tunable metasurfaces using dual epsilon-near-zero resonances

In a new publication from Opto-Electronic Advances, Researchers led by Professor Jinghua Teng from Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore consider ...

Mathematics Aug 13, 2021

New algorithm can help improve cellular materials design

New research published in Scientific Reports has revealed that a simple but robust algorithm can help engineers to improve the design of cellular materials that are used in a variety of diverse applications ranging from defense, ...

Optics & Photonics Aug 10, 2021

Metamaterials research challenges fundamental limits in photonics

Cornell researchers are proposing a new way to modulate both the absorptive and the refractive qualities of metamaterials in real time, and their findings open intriguing new opportunities to control, in time and space, the ...

Nanomaterials Aug 9, 2021

Researchers design three-dimensional kirigami building blocks to make dynamic metamaterials

A new approach to producing metamaterials draws on kirigami techniques to make three-dimensional, reconfigurable building blocks that can be used to create complex, dynamic structures. Because the design approach is modular, ...

Optics & Photonics Jul 28, 2021

Machine-learning method to find optimal solutions in extremely large design spaces

Electrical engineers at Duke University have devised a new method for solving difficult design problems with many potential solutions in a large design space using machine learning. Dubbed the "neural-adjoint method," the ...

Optics & Photonics Jul 23, 2021

Cascaded metasurfaces for dynamic control of THz wavefronts

Electromagnetic (EM) waves in the terahertz (THz) regime contribute to important applications in communications, security imaging, and bio- and chemical sensing. Such wide applicability has resulted in significant technological ...

Optics & Photonics Jul 23, 2021

Generation and application of the high-Q resonance in all-dielectric metasurfaces

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 ...

Mathematics Jul 14, 2021

New study provides a solution for engineering cellular materials

A new study by a Swansea University academic has announced a new mathematical formula that will help engineers assess the point at which cellular materials, which are used a wide range of applications ranging from aerospace ...

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