Refraction of Light Rays by Material with Negative Refractive Index

distance between light source and plate

0.5

refractive index of plate n

-1.2

number of light rays

20

This Demonstration shows the effect of negative refraction. Light rays are emitted by a point source

S

. The light rays impinge on a plate of material with negative refractive index

n

. At the two surfaces of the plate, the light rays are refracted according to Snell's law.