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include peak detection in scheludko

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This commit is contained in:
François Boulogne 2025-05-21 14:43:20 +02:00
parent 56aac01151
commit ccd1f2c1f0
7 changed files with 100 additions and 82 deletions
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32
optifik/scheludko.py
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@ -1,6 +1,6 @@
import numpy as np
from .io import load_spectrum
from scipy.optimize import curve_fit
import matplotlib.pyplot as plt
@ -12,8 +12,9 @@ plt.rcParams.update({
'legend.fontsize': 23,
})
from .io import load_spectrum
from .utils import OptimizeResult
from .analysis import finds_peak
def thickness_scheludko_at_order(wavelengths,
intensity,
@ -114,9 +115,8 @@ def Delta_fit(xdata, thickness, interference_order):
def thickness_from_scheludko(lambdas,
smoothed_intensities,
peaks_min,
peaks_max,
refractive_index,
min_peak_prominence,
plot=None):
"""
@ -129,10 +129,6 @@ def thickness_from_scheludko(lambdas,
DESCRIPTION.
smoothed_intensities : TYPE
DESCRIPTION.
peaks_min : TYPE
DESCRIPTION.
peaks_max : TYPE
DESCRIPTION.
refractive_index : TYPE
DESCRIPTION.
plot : TYPE, optional
@ -144,9 +140,13 @@ def thickness_from_scheludko(lambdas,
DESCRIPTION.
"""
max_tested_order = 12
r_index = refractive_index
peaks_min, peaks_max = finds_peak(lambdas, smoothed_intensities,
min_peak_prominence=min_peak_prominence,
plot=False)
lambda_min = lambdas[peaks_min[-1]]
lambda_max = lambdas[peaks_max[-1]]
@ -169,11 +169,12 @@ def thickness_from_scheludko(lambdas,
plt.ylabel(r'$h$ ($\mathrm{{nm}}$)')
plt.xlabel(r'$\lambda$ ($ \mathrm{nm} $)')
for m in range(0, 9):
for m in range(0, max_tested_order+1):
h_values = thickness_scheludko_at_order(lambdas_masked, intensities_masked, m, r_index_masked)
if plot:
plt.plot(lambdas_masked, h_values,'.', markersize =3, label=f"Épaisseur du film (Scheludko, m={m})")
plt.plot(lambdas_masked, h_values,'.', markersize=3, label=f"Épaisseur du film (Scheludko, m={m})")
ecart = np.max(h_values)-np.min(h_values)
print(f"Écart pour m={m} : {ecart:.3f} nm")
@ -213,15 +214,20 @@ def thickness_from_scheludko(lambdas,
def thickness_for_order0(lambdas,
smoothed_intensities,
peaks_min,
peaks_max,
refractive_index,
min_peak_prominence,
plot=None):
File_I_min = 'tests/spectre_trou/000043641.xy'
r_index = refractive_index
peaks_min, peaks_max = finds_peak(lambdas, smoothed_intensities,
min_peak_prominence=min_peak_prominence,
plot=False)
lambdas_I_min, intensities_I_min = load_spectrum(File_I_min, lambda_min=450)