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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 ...

Nanophysics Dec 8, 2022

A room-temperature terahertz camera based on a CMOS and quantum dots

Terahertz (THz) radiation is electromagnetic radiation ranging from frequencies of 0.1 THz to 10 THz, with wavelengths between 30μm and 3mm. Reliably detecting this radiation could have numerous valuable applications in ...

Polymers Nov 22, 2022

Researchers use low-cost 3D printer to develop new method for creating microspheres

Researchers use powerful microchannel droplet generation equipment to create uniform polymer microsphere materials, which have high economic values. These microspheres are spherical microparticles that can be used in many ...

Nanomaterials Nov 18, 2022

New nanoscale 3D printing material could offer better structural protection for satellites, drones, and microelectronics

Science fiction envisions rapid 3D printing processes that can quickly create new objects out of any number of materials. But in reality, 3D printing is still limited in the properties and types of materials that are available ...

Optics & Photonics Nov 10, 2022

Centimeter-scale multicolor printing with a pixelated optical cavity

Structural colors result from interactions between light and nanostructures. Engineering structural colors is a promising, rapidly emerging research field. Compared with conventional painting technology using chemical dyes, ...

Optics & Photonics Nov 8, 2022

Highly efficient vectorial field manipulation using a transmitted tri-layer metasurface

A new publication from Opto-Electronic Advances discusses highly efficient vectorial field manipulation using a transmitted tri-layer metasurface.

Optics & Photonics Nov 4, 2022

Semi-nonlinear etchless lithium niobate waveguide with bound states in the continuum

Lithium niobite (LN) with an ultra-wide optical transparent window has shown excellent nonlinear, electro-optic, acoustic-optic, piezoelectric, thermoelectric and photorefractive effects. It is an excellent platform for realizing ...

Nanophysics Nov 3, 2022

Novel nanowire fabrication technique paves way for next generation spintronics

As our world modernizes faster than ever before, there is an ever-growing need for better and faster electronics and computers. Spintronics is a new system which uses the spin of an electron, in addition to the charge state, ...

Optics & Photonics Sep 27, 2022

Metasurface engineered to create three different images depending on illumination

Researchers have developed a metasurface device that can display three types of images depending on the illumination light. The three-channel device could be used as an anticounterfeiting measure or offer a new way to securely ...

Optics & Photonics Sep 22, 2022

Large-area and high-precision fabrication of aspheric micro-lens array

As a structure composed of two-dimensional arrays of microscale lenses, micro-lens array (MLA) has attracted the attention of both academia and industry due to its distinctive optical properties and wide applications. Recently, ...

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