Negative refraction in hyperbolic hetero-bicrystals
Sign Up to like & getrecommendations! Published in 2022 at "Science"
DOI: 10.1126/science.adf1065
Abstract: We visualized negative refraction of phonon polaritons, which occurs at the interface between two natural crystals. The polaritons—hybrids of infrared photons and lattice vibrations—form collimated rays that display negative refraction when passing through a planar… read more here.
Keywords: interface two; refraction mid; refraction; polaritons occurs ... See more keywords