Energy harvesting, an eco-friendly technology, extends beyond solar and wind power in generating electricity from unused or discarded energy in daily life, including vibrations generated by passing ...

Traditionally, active metasurface researches have primarily focused on changing the dielectric constant and permeability of the substrate, which frequently results in resonance effect and ohmic loss.

Steering committee: Prasad Iyer (right) and Igal Brener with some of the optical equipment they used for beam steering experiments at Sandia National Laboratory. (Courtesy: Craig Fritz/Sandia National ...

Schematic illustration of a dynamic multifunctional metasurface based on Miura-ori. The reconfigurable origami metasurface enables the display or concealment of image information for dynamic display ...

Proposed device outlines new paths forward for compact ultra-sensitive optical sensors, multi-band switches with high ...

Conventionally, active metasurface scientists have mainly concentrated on altering the dielectric constant and permeability of the substrate, which usually leads to resonance effect and ohmic loss.

The terahertz (THz) band of the electromagnetic spectrum holds immense promise for next-generation technologies, including high-speed wireless communication, advanced encryption, and medical imaging.

Harnessing the power of 'phase-change' materials, researchers have demonstrated how reconfigurable metasurfaces -- artificial materials with extraordinary optical properties -- are crucial to the ...

(Nanowerk Spotlight) As our digital devices handle increasingly complex computations, scientists have looked to physics for inspiration on new computing paradigms. Rather than shuttling electrical ...

(Nanowerk Spotlight) Programmable metasurfaces have shown great potential for advanced electromagnetic wave manipulation in wireless communications, sensing, and other applications. However, a major ...