Light bends when travelling through a concentration gradient of sugar in water. The top layer of liquid is pure water while the bottom layer is concentrated sugar water. In these layers, there is no ...

LET us suppose Euclidean space to be filled with a medium of variable refractive index. Then to an observer in that medium the curved path of a ray of light will present all the appearances of a ...

SINGAPORE, Aug. 27, 2020 /PRNewswire/ -- Dymax has recently launched new optical adhesives with variable refractive index for optical components used in optical telecommunication, commercial optics ...

South Korea's ETRI is developing a transparent element with a variable refractive index. The transforming lens developed by ETRI researchers. The lens's curvature changes when an electric current is ...