For the millions of people living with end-stage kidney disease, hemodialysis is more than a medical procedure, it is a ...

The device can change color and behavior on demand, technology that could change consumer products like e-readers and smart watches.

Schematic of the planar device for producing dark- field speckle patterns. (Image from USTC). Credit: Douguo Zhang et al. Researchers from the University of Science and Technology of China (USTC) have ...

Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical ...

Lithium niobate has emerged as a cornerstone material in advanced photonic technologies, owing to its exceptional electro‐optic coefficients, wide optical transparency and strong nonlinear properties.

A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called ...

Researchers in Germany have unveiled an ultra-fast light switch made of very thin semiconductor ...

Liquid crystal optics and devices represent a rapidly evolving interdisciplinary field that combines the unique properties of liquid crystalline materials with advanced optical engineering. These ...

Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. Researchers have fabricated and tested flat lenses called Fresnel zone ...

A new "lensless" device could help, as it uses light to instantly detect harmful microorganisms. Usually, in order to check drinking water for bacteria, a sample of that water must be cultured in a ...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending spacetime, creating a point of no return. While black holes have fascinated ...

It may seem at times that there is a divide between the optical/photonic domain and the RF one, with the terahertz zone between them as a demarcation. If you need to make a transition between the ...