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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 ...

Optics & Photonics Sep 15, 2023

New metamaterial-based strategy to combine and transmit multiple light modes

The past few years have seen a massive surge in the amount of data transferred and processed per second. Rapidly emerging technologies, such as high-dimensional quantum communications, large-scale neural networks, and high-capacity ...

Mathematics Sep 5, 2023

Team discovers thousands of new transformable knots

Knots are used in all sorts of ways, every day. They ensure safety both indoors and for outdoor activities such as boating or sailing, are used as surgical sutures, as decorations, and they can even be found at nanoscales ...

Optics & Photonics Aug 30, 2023

Micro-optical technology based on metamaterials takes center stage

Metasurfaces are artificial materials adept at manipulating perception. With metasurfaces allowing lenses to be reduced to one 10,000th the size of conventional lenses, they are generating considerable interest as optical ...

Nanophysics Aug 29, 2023

X-photon 3D nanolithography

Multiphoton lithography (MPL) is a technique that uses ultra-short laser pulses to create complex three-dimensional (3D) structures at the micro- and nanoscale. It is based on the principle of multiphoton absorption (MPA), ...

Optics & Photonics Aug 21, 2023

Âé¶¹ÒùÔºicists employ synthetic complex frequency waves to overcome optical loss in superlenses

A collaborative research team led by Interim Head of Âé¶¹ÒùÔºics Professor Shuang Zhang from The University of Hong Kong (HKU), along with National Center for Nanoscience and Technology, Imperial College London and University ...

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