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manually trigger garbage collection in Meep waveguide converter simulation #23

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manually trigger garbage collection in Meep waveguide converter simulation #23

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5 changes: 4 additions & 1 deletion waveguide_mode_converter/mode_converter_meep.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ def mode_converter(design_fname: str):

eig_parity = mp.ODD_Z
src_pt = mp.Vector3(-0.5*sx+dpml,0)
sources = [mp.EigenModeSource(src=mp.GaussianSource(fcen,fwidth=df),
sources = [mp.EigenModeSource(mp.GaussianSource(fcen,fwidth=df),
size=mp.Vector3(0,sy),
center=src_pt,
eig_band=1,
Expand Down Expand Up @@ -139,6 +139,9 @@ def mode_converter(design_fname: str):
tran = np.abs(coeffs[0,:,0])**2 / input_flux
tran_flux = np.array(mp.get_fluxes(tran_mon))

# force the garbage collection
sim.reset_meep()

sparam_to_dB = lambda s: 20 * np.log10(s)

for idx,wvl in enumerate(wvls):
Expand Down