Two dimensional wave interference using Finite Difference Time Domain method (FDTD).

Using FDTD, interference of two sinusoidal source is visualized using FDTD method in TM mode.

This code demonstrates two dimensional FDTD simulation including PML absorbing boundary condition. There are two sources that interfere to produce fringe pattern. I have referred and adapted PML from the book :
EM Simulation using the FDTD Method , Dennis M. Sullivan.