If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...

His latest work, My Fingernails Are Fresnel Lenses, is a thoughtful poem about the make-up of memories and how they work through our system. “Most of my work comes from a scientific point of view.

Researchers have fabricated and tested flat lenses called Fresnel zone plates (FZPs), but did so for the first time using only common semiconductor manufacturing equipment, the i-line stepper ...

Imagine a world where augmented reality glasses are as lightweight and comfortable as everyday sunglasses, or where ...

Researchers introduce a cost-effective method for producing optical Fresnel zone plate lenses, using colored photoresists for enhanced light manipulation.

A team with researchers at the University of Tokyo and JSR Corp. fabricated and tested flat lenses called Fresnel zone plates (FZPs), but did so for the first time using only common semiconductor ...