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added mpid support for three layer stacks. Added sorter_to_gauss as example usage of the three stack.

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Edoardo Vergerio
2026-10-04 15:33:04 +02:00
parent 31859271da
commit bb2544954e
5 changed files with 800 additions and 365 deletions
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single_converter_symm.py
+14 -15
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@@ -7,16 +7,19 @@ if not os.path.exists("results"):
N = 1025
unit_cell_pitch = 0.700
n0 = 1.45
n0 = 1.444
n1 = 1.0
n2 = 1.45
n2 = 1.444
mat_refr_index = np.array([n0, n1, n2])
#d0 = 400 #propagation distance: source - MS1 [um] NO FILT
#d1 = 280 #propagation distance: MS1 - MS2 [um] NO FILT
d0 = 535 #propagation distance: source - MS1 [um] FILTERED
d1 = 460 #propagation distance: MS1 - MS2 [um] FILTERED
#d0 = 516 #propagation distance: source - MS1 [um] FILTERED mf (using LP01 of FMF)
#d1 = 467 #propagation distance: MS1 - MS2 [um] FILTERED mf (using LP01 of FMF)
d0 = 195 #propagation distance: source - MS1 [um] FILTERED mf (using LP01 of SMF)
d1 = 129 #propagation distance: MS1 - MS2 [um] FILTERED mf (using LP01 of SMF)
d2 = d0 #propagation distance: MS2 - target [um]
d = np.array([d0, d1, d2])
@@ -33,14 +36,10 @@ space_grid = pid.SpaceGrid(
)
#define the source
beam_waist = 5.2
gaussian_field = np.exp(-(space_grid.get_rho())**2 / (beam_waist)**2) #Gaussian input field, flattened
gaussian_field_normalized = (gaussian_field / np.sqrt(np.sum(np.abs(gaussian_field)**2))) #normalize the input field to have power = 1
wavelengths_to_test_um = [1.530,1.550,1.570] #[um]
source_files = ["fiber_modes/LP01_field_distribution_lda_1530_N_1025.npy",
"fiber_modes/LP01_field_distribution_lda_1550_N_1025.npy",
"fiber_modes/LP01_field_distribution_lda_1570_N_1025.npy"]
source_files = ["fiber_modes/SMF/SMF_LP01_field_distribution_lda_1530_N_1025.npy",
"fiber_modes/SMF/SMF_LP01_field_distribution_lda_1550_N_1025.npy",
"fiber_modes/SMF/SMF_LP01_field_distribution_lda_1570_N_1025.npy"]
sources = [pid.Source(input_field=np.load(file),
wavelength=wvl,
field_norm=True) for file, wvl in zip(source_files, wavelengths_to_test_um)]
@@ -48,9 +47,9 @@ sources = [pid.Source(input_field=np.load(file),
#sources[0].plot2D(plot_zoom_x=38,plot_zoom_y=38,choose_quantity='amplitude', save_name='results/input_field')
#define targets
#import field data from files and create target objects
target_files = ["fiber_modes/LP21_field_distribution_lda_1530_N_1025.npy",
"fiber_modes/LP21_field_distribution_lda_1550_N_1025.npy",
"fiber_modes/LP21_field_distribution_lda_1570_N_1025.npy"]
target_files = ["fiber_modes/FMF/FMF_LP21_field_distribution_lda_1530_N_1025.npy",
"fiber_modes/FMF/FMF_LP21_field_distribution_lda_1550_N_1025.npy",
"fiber_modes/FMF/FMF_LP21_field_distribution_lda_1570_N_1025.npy"]
target_fields = [np.load(file) for file in target_files]
@@ -76,7 +75,7 @@ simulation.set_optimization(
ms_max_avail_diameter=ms_max_available_diameter,
phase_mask_init_size=output_fiber_core_diameter/3,
opt_max_eval=opt_max_eval,
conic_filter_radius=1.0,
#conic_filter_radius=1.0,
)
simulation.run()