Optics

Electrically switchable lens exploits holography and diffraction

DigiLens, of Sunnyvale, California, US, has developed a liquid crystal-based lens that provides customized diffraction gratings depending on which of its layers are 'switched on'. The application ...
Nasdaq

II-VI Incorporated Introduces Diffraction-Limited Apochromatic Objective Lenses for Fluorescence Imaging in Life Sciences

PITTSBURGH, Feb. 10, 2021 (GLOBE NEWSWIRE) -- II‐VI Incorporated (Nasdaq: IIVI), a leading provider of imaging optics, today announced the introduction of its diffraction-limited apochromatic ...
Optics

Flat lenses offer route to diffraction-limited imaging

Flat lenses offer a way to minimize the optical aberrations and astigmatisms that conventional spherical lenses can be prone to, and can potentially open up new applications that traditional lens are ...
Science Daily

Tiny new lenses, smaller than a hair, could transform phone and drone cameras

Scientists have developed a new multi-layered metalens design that could revolutionize portable optics in devices like phones, drones, and satellites. By stacking metamaterial layers instead of ...
Science Daily

Logic with light: Introducing diffraction casting, optical-based parallel computing

Increasingly complex applications such as artificial intelligence require ever more powerful and power-hungry computers to run. Optical computing is a proposed solution to increase speed and power ...

Tiny metamaterial lenses could transform imaging for smartphones, drones and satellites

A new approach to manufacturing multicolor lenses could inspire a new generation of tiny, cheap, and powerful optics for portable devices such as phones and drones.
EurekAlert!

Efficient light control: meta-optics replace conventional lenses

Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only limited control of light waves. Metasurfaces, in contrast, are flat and ...