Color filters A color filter is any object that reflects or transmits light in a way that some color is observed. The color filters, as the name suggests, filters some parts of the electromagnetic spectrum of the sun (or Blackbody radiation spectrum). This wavelength spectrum is then sent to the
Metamaterial/ Metasurface absorbers In the previous post about classical perfect light absorbers, we discussed the thin film based absorbers in the shape of Salisbury screen absorbers and Jaumann absorbers. Now, these thin film based absorbers, especially the Salisbury screen, can be titled as an early demonstration of metasurface absorbers as
Absorbers An absorber is a device that partially or completely absorbs the incoming light or an EM wave for which it is designed. Absorption is one of the three phenomena that can happen to light as it hits the object. When light falls on an object, depending on the complex