Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel ...

A recent study published in Light | Science & Applications introduces a novel method for fabricating optical Fresnel zone plate (FZP) flat lenses. By using colored photoresists and an i-line ...

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 ...