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#!/usr/bin/env python3
"""
Flattened depth-probe simulation:
Intensity as function of depth z for a few incident angles alpha_i.
"""
import bornagain as ba
from bornagain import ba_plot as bp, deg, nm
def get_sample():
material_vac = ba.RefractiveMaterial("Vacuum", 0, 0)
material_A = ba.RefractiveMaterial("A", 6e-5, 0)
material_sub = ba.RefractiveMaterial("Substrate", 3e-05, 0)
sample = ba.Sample()
sample.addLayer(ba.Layer(material_vac))
sample.addLayer(ba.Layer(material_A, 100*nm))
sample.addLayer(ba.Layer(material_sub))
return sample
def simulate(sample, alpha_i_deg):
alpha = alpha_i_deg * deg
scan = ba.AlphaScan(1, alpha, alpha)
scan.setWavelength(0.3*nm)
z_axis = ba.EquiDivision("z (nm)", 20, -130*nm, 30*nm)
simulation = ba.DepthprobeSimulation(scan, sample, z_axis, 0)
result = simulation.simulate().flat()
result.setTitle(f'{alpha_i_deg} deg')
return result
if __name__ == '__main__':
sample = get_sample()
angles = [0.4, 0.5, 0.6, 0.65, 0.7]
results = [simulate(sample, ai) for ai in angles]
from bornagain import ba_check
ba_check.persistence_test(result)
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