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#!/usr/bin/env python3
"""
Reflectivity of a multilayer with different wavelength distributions.
"""
import bornagain as ba
from bornagain import ba_plot as bp, deg, std_samples
lambda0 = 0.154
def get_sample():
return std_samples.alternating_layers()
def simulate(sample, distr, title):
n = 300
scan = ba.AlphaScan(n, 0.5*deg, 1*deg)
scan.setWavelength(lambda0)
if distr:
scan.setWavelengthDistribution(distr)
result = ba.SpecularSimulation(scan, sample).simulate()
result.setTitle(title)
return result
if __name__ == '__main__':
sample = get_sample()
results = [
simulate(sample, ba.DistributionLorentz(
lambda0, 0.01177 * lambda0), "Lorentz"),
simulate(sample, ba.DistributionGaussian(
lambda0, 0.01 * lambda0), "Gauss"),
simulate(sample, ba.DistributionLogNormal(
lambda0, 0.011), "LogNormal"),
]
from bornagain import ba_check
ba_check.persistence_test(results)
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