Scientists at NPL recently published findings on laser frequency stabilization, demonstrating an unprecedented level of performance using an optical reference cavity. This advancement features a ...

Figure 1. Working principle of the conventional and novel pancake optics systems. (a) configuration of the conventional pancake optics. (b) polarization conversion process in the conventional pancake ...

For backyard astronomers, the promise of image-stabilized binoculars is simple: sharper, steadier views of the night sky without a tripod. The question is whether that extra stability, and the ...

The challenge for near-eye display optics is to project the image on a display that is placed near the eye to a comfortable viewing distance to avoid visual fatigue and discomfort. By collimating ...