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#!/usr/bin/env python3
# /// script
# requires-python = ">=3.10"
# dependencies = ["bornagain>=25,<26"]
# ///
"""
Spheres in a finite layer. For testing the slicing machinery.
"""
import bornagain as ba
ba.require_versions("bornagain>=25,<26")
from bornagain import deg, nm, nm2
def get_sample():
# defining materials
vacuum = ba.Vacuum()
layer1_color = (0.93, 0.72, 0.25)
layer1_mat = ba.RefractiveMaterial("Layer1", layer1_color, 4e-6, 2e-8)
substrate_color = (0.28, 0.57, 0.82)
substrate_mat = ba.RefractiveMaterial("Substrate", substrate_color, 6e-6, 2e-8)
particle_color = (0.86, 0.24, 0.18)
particle_mat = ba.RefractiveMaterial("Particle", particle_color, 3e-5, 2e-8)
# particle
ff = ba.SphericalSegment(5*nm, 0, 5*nm)
particle = ba.Particle(particle_mat, ff)
# layers
layer1 = ba.Layer(layer1_mat, 6*nm)
layer1.setNumberOfSlices(10)
layer1.deposit2D(ba.Dense2D(.002/nm2, particle))
substrate = ba.Layer(substrate_mat)
sample = ba.Sample()
sample.addLayer(ba.Layer(vacuum))
sample.addLayer(layer1)
sample.addLayer(substrate)
return sample
def get_simulation(sample):
beam = ba.Beam(1e9, 0.1*nm, 0.2*deg)
n = 100
detector = ba.SphericalDetector(n, -2*deg, 2*deg, n, 0, 2*deg)
simulation = ba.ScatteringSimulation(beam, sample, detector)
return simulation
if __name__ == '__main__':
sample = get_sample()
ba.showSample3D(sample, sample_size=120*nm, seed=0)
simulation = get_simulation(sample)
result = simulation.simulate()
ba.plot_datafield(result, unit_aspect=1)
ba.plt.show()
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