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Search results for metasurface

Optics & Photonics Jul 3, 2023

Photonic chip transforms single beam of light into multiple beams, each with a panoply of different properties

Researchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of laser light into a panoply of new beams, each with a host of different ...

Optics & Photonics Jun 28, 2023

Building robust optical structures made of darkness

Optical devices and materials allow scientists and engineers to harness light for research and real-world applications, like sensing and microscopy. Federico Capasso's group at the Harvard John A. Paulson School of Engineering ...

Optics & Photonics Jun 26, 2023

Novel method for producing thin metasurfaces with a diameter of almost 30 centimeters

Bye-bye lens, hello metasurface. So-called metasurfaces can help to make optical systems thinner in the future, while at the same time increasing their functionality.

Nanophysics Jun 23, 2023

Metasurface enables strong coupling effects between light and transition metal dichalcogenides

The interaction of light and matter on the nanoscale is a vital aspect of nanophotonics. Resonant nanosystems allow scientists to control and enhance electromagnetic energy at volumes smaller than the wavelength of the incident ...

Nanophysics Jun 14, 2023

Breaking barriers: Advancements in meta-holographic display enable ultraviolet domain holograms

The term meta means a concept of transcendence or surpassing, and when applied to materials, metamaterials encompass artificially engineered substances that exhibit properties not naturally found in the environment. Metasurfaces, ...

Optics & Photonics Jun 12, 2023

Spectropolarimetric imaging: A magical way to get multidimensional information

In the world of optics, capturing high-dimensional optical information is crucial for understanding and characterizing various targets across different scenes. This includes important aspects like irradiance, spectrum, space, ...

Optics & Photonics Jun 1, 2023

Ultrafast terahertz emission from emerging symmetry-broken materials

Terahertz (THz) emission spectroscopy has emerged as a valuable technique for investigating static physical properties as well as ultrafast dynamics occurring in novel material systems that may remain hidden to other probes.

Optics & Photonics May 31, 2023

Examining the latest developments of spatiotemporal vortices of light

Vortices of light, null regions of intensity surrounded by spiral phases, make up the skeleton of a wavefield and influence the properties of light. Since the discovery of the tight connection of optical vortices and orbital ...

Optics & Photonics May 30, 2023

The making of a Mona Lisa hologram

Holograms are often displayed in science fiction as colorful, life-sized projections. But what seems like the technology of the future is actually the technology of the present, and now it has been used to recreate the Mona ...

Optics & Photonics May 30, 2023

Study proposes achromatic metalens with varifocal performance

Metalenses, comprising one of the most prominent applications of metasurfaces, demonstrate promising abilities to replace traditional lenses. By manipulating the phase distribution of metalenses composed of appropriately ...

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