There’s a little trick you can do to capture macro photography shots on your smartphone, using nothing more than a drop of water. The idea is the water acts as a very rudimentary lens, which has a ...

In recent years, the world of optics has undergone a major shift. New research shows how light can be bent, focused, and even changed in color using structures so small they’re invisible to the eye.

Physicists have developed a lens with 'magic' properties. Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light. Lenses are the most widely used ...

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 type of flat, ultrathin lens designed to be free of chromatic aberrations has been developed by researchers in the US. The device has a variety of potential applications, from ultralight imaging ...

A team of physicists at ETH Zurich has created a tiny metalens that can half the wavelength of incident light. They have achieved this using a special metal-oxide lens material called lithium niobate ...