optical filters

Researchers develop new one-step process for creating self-assembled metamaterials

A team led by University of Minnesota Twin Cities researchers has discovered a groundbreaking one-step process for creating materials with unique properties, called metamaterials. Their results show the realistic possibility…

Physicists have learned to change the wavelength of Tamm plasmons

School physics teaches that the basis of an ordinary mirror is a thin aluminum or silver foil. Glass, which is in fact a large transparent piece of ordinary…

Nanostructures filter light to order

A beam of sunlight is a mixture of different-colored light, including all the colors of the rainbow. Filtering or blocking a specific color, or colors, is…