The micro-lenses are integrated in a noninvasive manner, as they are added on top of the unstructured diamond surface and bonded by van der Waals forces. For emitters at 5 μm depth, we find ...

Here are the secrets of highlighting small details with soft light sources and why you do not ultimately need a macro lens ...

Discover how this award-winning travel photographer used light, timing, and Nikon gear to craft a quietly powerful image ...

The radiation characteristics of reflector antenna are investigated when its aperture field is grated by using a nonperiodic Fresnel-zone plate lens (FZPL). The focus of study intends to develop a ...