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import argparse
from meep.materials import Al
import meep as mp
def main(args):
resolution = 40
cell_size = mp.Vector3(z=10)
boundary_layers = [
mp.PML(1, direction=mp.Z) if args.pml else mp.Absorber(1, direction=mp.Z)
]
sources = [
mp.Source(
src=mp.GaussianSource(1 / 0.803, fwidth=0.1),
center=mp.Vector3(),
component=mp.Ex,
)
]
def print_stuff(sim):
p = sim.get_field_point(mp.Ex, mp.Vector3())
print(f"ex:, {sim.meep_time()}, {p.real}")
sim = mp.Simulation(
cell_size=cell_size,
resolution=resolution,
dimensions=1,
default_material=Al,
boundary_layers=boundary_layers,
sources=sources,
)
sim.run(
mp.at_every(10, print_stuff),
until_after_sources=mp.stop_when_fields_decayed(50, mp.Ex, mp.Vector3(), 1e-6),
)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"-pml", action="store_true", default=False, help="Use PML as boundary layer"
)
args = parser.parse_args()
main(args)
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