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Search results for metasurface

General Âé¶¹ÒùÔºics Feb 3, 2023

Researchers uncover a new method for generating spinning thermal radiation

Researchers at Purdue University have made a groundbreaking discovery in the field of thermal radiation, uncovering a new method for generating spinning thermal radiation in a controlled and efficient manner using artificially ...

Optics & Photonics Jan 30, 2023

Mie voids could bring about control of light in air

Resonant optical phenomena in metals and dielectrics have profound applications in many fields. The nanoscale confinement allows for unpreceded control of light-matter interaction at surfaces and interfaces, manipulating ...

Nanophysics Jan 16, 2023

Mathematics at the speed of light

Researchers at AMOLF, University of Pennsylvania, and City University of New York (CUNY) created a nanostructured surface capable of solving equations using light. This discovery opens exciting new opportunities in the field ...

Optics & Photonics Jan 5, 2023

Active terahertz beam steering based on mechanical deformation of a liquid crystal elastomer metasurface

Traditionally, active metasurface research has primarily focused on changing the dielectric constant and permeability of the substrate, which frequently results in resonance effect and ohmic loss. However, a reconfigurable ...

Optics & Photonics Dec 30, 2022

Study explores topological beaming of light

Nanophotonic light emitters are compact and versatile devices with wide-ranging applications in applied physics. In a new report now published on Science Advances, Ki Young Lee and a research team in physics and engineering ...

Optics & Photonics Dec 23, 2022

Nanoimprinting technique for humidity-responsive holographic images

A display that projects holographic images that change when in contact with water has been developed. This new technology increases the possibility of commercialization as it can infinitely imprint holographic images.

Optics & Photonics Dec 22, 2022

Meta-optics: The disruptive technology you didn't see coming

Robots and autonomous cars will have eyes that see much more than the human eye is capable of, a review of the growing field of meta-optics has found.

Optics & Photonics Dec 19, 2022

Research team develops direct laser writing system for high-resolution, high-efficiency nanofabrication

Peripheral photoinhibition (PPI) direct laser writing (DLW) is a lithography technique used to fabricate intricate 3D nanostructures that are widely employed in photonics and electronics. PPI-DLW uses two beams, one to excite ...

Optics & Photonics Dec 7, 2022

A novel, space-time coding antenna promotes 6G and secure wireless communications

A research team co-led by a scientist at City University of Hong Kong (CityU) has developed a novel antenna that allows manipulation of the direction, frequency and amplitude of the radiated beam, and is expected to play ...

Optics & Photonics Dec 6, 2022

Multifunctional terahertz transparency of thermally oxidized vanadium metasurface over insulator metal transition

A research team, led by the Nano Optics Group within the Department of Âé¶¹ÒùÔºics at UNIST has reported achieving all-vanadium dioxide (VO2) multifunctional metasurfaces, which perform as a transparent window in the broadband ...

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