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# -*- coding: utf-8 -*-
# From the Meep tutorial: plotting permittivity and fields of a straight waveguide
from __future__ import division
import meep as mp
cell = mp.Vector3(16,8,0)
geometry = [mp.Block(mp.Vector3(mp.inf,1,mp.inf),
center=mp.Vector3(),
material=mp.Medium(epsilon=12))]
sources = [mp.Source(mp.ContinuousSource(frequency=0.15),
component=mp.Ez,
center=mp.Vector3(-7,0))]
pml_layers = [mp.PML(1.0)]
resolution = 10
sim = mp.Simulation(cell_size=cell,
boundary_layers=pml_layers,
geometry=geometry,
sources=sources,
resolution=resolution)
sim.run(until=200)
import numpy as np
import matplotlib.pyplot as plt
eps_data = sim.get_array(center=mp.Vector3(), size=cell, component=mp.Dielectric)
plt.figure()
plt.imshow(eps_data.transpose(), interpolation='spline36', cmap='binary')
plt.axis('off')
plt.show()
ez_data = sim.get_array(center=mp.Vector3(), size=cell, component=mp.Ez)
plt.figure()
plt.imshow(eps_data.transpose(), interpolation='spline36', cmap='binary')
plt.imshow(ez_data.transpose(), interpolation='spline36', cmap='RdBu', alpha=0.9)
plt.axis('off')
plt.show()
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