In plasmonics/planar: Multilayer Optics

Local field enhancement factors for a dipole near or inside a multilayer

baptiste Auguié -- r format(Sys.time(), "%d %B, %Y")

knitr::read_demo("field_multilayer", package="planar")

Setting up

We simulate a thin metal layer sandwiched between glass (incident medium) and air, illuminated from the glass side under p-polarisation, at 44 degrees (Kretschmann configuration). The electric field is normalised by the permittivity of each layer to exemplify the continuity of electric displacement (squared, here) across interfaces.

A strong electric field can be noted, particularly for the perpendicular component, which decays exponentially from the metal-air interface: this is characteristic of the excitation of surface plasmon-polaritons.

plasmonics/planar documentation built on Feb. 10, 2022, 5:55 a.m.