Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

One existing type, called a Fresnel zone plate (FZP ... "Simulating the performance of these lenses over a very large bandwidth, from visible to near-infrared, involved solving complex ...

One existing type, called a Fresnel zone plate (FZP ... “Simulating the performance of these lenses over a very large bandwidth, from visible to near-infrared, involved solving complex ...

For example, Fresnel zone plates (FZPs ... "Simulating the performance of these lenses over a very large bandwidth, from visible to near-infrared, involved solving complex computational problems ...

For example, Fresnel zone plates (FZPs ... "Simulating the performance of these lenses over a very large bandwidth, from visible to near-infrared, involved solving complex computational problems ...

Tweaking the emitted infrared energy allows you to compensate for energy reflected due to the material itself. You should choose rugged designs. The no-lens and fresnel lens thermometers are made from ...

The Fresnel zone plate (FZP), based on the work of ... “Simulating the performance of these lenses over a very large bandwidth, from visible to near-IR, involved solving complex computational problems ...

Scientists have also explored alternative lens designs, such as Fresnel zone plates (FZPs), which use concentric ... from visible to near-infrared, involved solving complex computational problems ...

One existing type, called a Fresnel zone plate (FZP), uses concentric ... “Simulating the performance of these lenses over a very large bandwidth, from visible to near-infrared, involved solving ...