Colored filters enhance lunar details by improving contrast and reducing glare. Different colored filters highlight various features; yellow and blue filters are particularly useful. Neutral-density ...

Many people know how helpful polarized sunglasses are in cutting the glare coming off water on a sunny day. But a filter that could let people see — or block out — all the polarizations of visible ...

As we all know, some optical devices can only work with a certain incident polarization direction. In this case, a polarizer is necessary to shift the polarization direction of linearly polarized ...

How do polarization technologies work? Advances in imaging technologies. Imaging sensors have undergone many advances in the past two decades. At the heart of it all was enabling better pictures that ...

Three-dimensional holograms may soon make their way into our daily lives. Until now, 3D holograms based on phase shifting holography method could be captured using a large, specialized camera with a ...