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

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 ...

Researchers at the University of California, Los Angeles (UCLA) have unveiled a new optical technology that enables precise ...

The potential of Ni-Al intermetallics in IR thermophotonics is examined, highlighting their thermal stability and optical ...

Abstract: An equation for the on-axis gain of a uniformly illuminated rectangular aperture is derived which is valid in the "Optical Fresnel Zone." This equation is formulated in terms of the ordinary ...

If you're searching for the best Leica M lens for your rangefinder, you have plenty of options to choose from. In this guide, I break down the entire lineup, highlighting the strengths of each lens ...