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# From the Meep tutorial: plotting permittivity and fields of a bent waveguide
import meep as mp
cell = mp.Vector3(16, 16, 0)
geometry = [
mp.Block(
mp.Vector3(12, 1, mp.inf),
center=mp.Vector3(-2.5, -3.5),
material=mp.Medium(epsilon=12),
),
mp.Block(
mp.Vector3(1, 12, mp.inf),
center=mp.Vector3(3.5, 2),
material=mp.Medium(epsilon=12),
),
]
pml_layers = [mp.PML(1.0)]
resolution = 10
sources = [
mp.Source(
mp.ContinuousSource(wavelength=2 * (11**0.5), width=20),
component=mp.Ez,
center=mp.Vector3(-7, -3.5),
size=mp.Vector3(0, 1),
)
]
sim = mp.Simulation(
cell_size=cell,
boundary_layers=pml_layers,
geometry=geometry,
sources=sources,
resolution=resolution,
)
sim.run(
mp.at_beginning(mp.output_epsilon),
mp.to_appended("ez", mp.at_every(0.6, mp.output_efield_z)),
until=200,
)
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