Search results for metamaterial

Optics & Photonics Dec 27, 2023

Harnessing all-dielectric metamaterials to manipulate the polarization state of light

Polarization is one of the fundamental characteristics of electromagnetic waves. It can convey valuable vector information in sensitive measurements and signal transmission, which is a promising technology for various fields ...

Nanomaterials Dec 7, 2023

Metamaterials and origamic metal-organic frameworks

Origami is a paper folding process usually associated with child's play mostly to form a paper-folded crane, yet it is, as of recently a fascinating research topic. Origami-inspired materials can achieve mechanical properties ...

Condensed Matter Nov 15, 2023

New technique could speed up the development of acoustic lenses, impact-resistant films and other futuristic materials

Metamaterials are products of engineering wizardry. They are made from everyday polymers, ceramics, and metals. And when constructed precisely at the microscale, in intricate architectures, these ordinary materials can take ...

Nanophysics Nov 10, 2023

A twist on atomic sheets to create new materials

The way light interacts with naturally occurring materials is well-understood in physics and materials science. But in recent decades, researchers have fabricated metamaterials that interact with light in new ways that go ...

Nanophysics Oct 30, 2023

Metamolecule metamaterial fabrication with 3D co-assembly

Metamaterials, famously likened to Harry Potter's invisible cloak, are artificial nano structures designed to manipulate light properties. However, the practical application of this technology in everyday life depends on ...

Optics & Photonics Oct 27, 2023

Anisotropic lattice induces high-Q chiroptical responses in surface lattice resonance metasurfaces

Chirality is an intrinsic property of an object that cannot coincide with its mirror image by translation or rotation. In order to realize strong chiral light-matter interactions which are usually weak in natural materials ...

Nanomaterials Oct 10, 2023

Record-high 3D printing rate reached by acousto-optical scanning

Professor Wei Xiong's group, from the Wuhan National Laboratory for Optoelectronics at Huazhong University of Science and Technology, proposes a pioneering high-speed multi-photon polymerization lithography technique with ...

Nanophysics Oct 7, 2023

Free-space nanoprinting beyond optical limits to create 4D functional structures

Two-photon polymerization is a potential method for nanofabrication to integrate nanomaterials based on femtosecond laser-based methods. Challenges in the field of 3D nanoprinting include slow layer-by-layer printing and ...

Bio & Medicine Oct 2, 2023

Using DNA as glue to hold nanostructures together and build ultra-strong colloidal crystal metamaterials

A team of chemical and biological engineers working with a group of nanotechnologists at Northwestern University in Illinois has developed a type of super-strong colloidal crystal metamaterial by gluing together metal nanostructures ...

Optics & Photonics Sep 18, 2023

Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor

Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require ...

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