A team of researchers at Penn State have devised a new, streamlined approach to designing metasurfaces, a class of engineered ...

A new method allows nearly perfect optical sharpness for scenes requiring a wide depth of field, with just two photos.

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. This past year, I've tested many ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...

Optical materials and structures are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific ...