simpleFDTD

A browser-based Finite-Difference Time-Domain (FDTD) simulation built using WebAssembly


Select a shape, size, material, and environment to get started

For more information, see here

X:
nm
Y:
nm
Ellipse Geometry Diagram
Note that the simulation domain is 3000 nm by 2500 nm


Refractive Index:
Pre-computed data is only available from 1.0 to 4.0 in increments of 0.1 (hence the restrictions).

On most computers this takes ~1.5 minutes
See the about page for a description of adaptive timing.
Download data in CSV format (in whichever scale it is plotted as)