.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/validation/bohren_huffman/figure_87.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_gallery_validation_bohren_huffman_figure_87.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_validation_bohren_huffman_figure_87.py:


InfiniteCylinder Scatterer Bohren-Huffman figure 8.7
====================================================

.. GENERATED FROM PYTHON SOURCE LINES 8-9

Importing the dependencies: numpy, matplotlib, PyMieSim

.. GENERATED FROM PYTHON SOURCE LINES 9-62

.. code-block:: Python

    import numpy
    import matplotlib.pyplot as plt
    from PyMieSim.units import ureg

    from PyMieSim.directories import validation_data_path

    from PyMieSim.experiment.scatterer_set import InfiniteCylinderSet
    from PyMieSim.experiment.source_set import GaussianSet
    from PyMieSim.experiment.polarization_set import PolarizationSet
    from PyMieSim.experiment import Setup

    theoretical = numpy.genfromtxt(
        f"{validation_data_path}/bohren_huffman/figure_87.csv", delimiter=","
    )

    diameter = numpy.geomspace(10, 6000, 800) * ureg.nanometer
    volume = numpy.pi * (diameter.to_base_units().magnitude / 2) ** 2

    source = GaussianSet(
        wavelength=[632.8] * ureg.nanometer,
        polarization=PolarizationSet(angles=[0, 90] * ureg.degree),
        optical_power=[1e-3] * ureg.watt,
        numerical_aperture=[0.2],
    )

    scatterer = InfiniteCylinderSet(
        diameter=diameter,
        material=[1.55],
        medium=[1],
    )

    experiment = Setup(
        scatterer_set=scatterer,
        source_set=source,
    )

    values = experiment.get("Csca", as_numpy=True)

    data = values / volume * 1e-4 / 100

    plt.figure(figsize=(8, 4))
    plt.plot(diameter, data[0], "b--", linewidth=3, label="PyMieSim")
    plt.plot(diameter, data[1], "r-", linewidth=3, label="PyMieSim")

    plt.plot(diameter, theoretical[0], "k--", linewidth=1, label="BH 8.8")
    plt.plot(diameter, theoretical[1], "k--", linewidth=1, label="BH 8.8")

    plt.xlabel(r"Diameter [$\mu$m]")
    plt.ylabel("Scattering cross section [cylinder]")
    plt.grid(True)
    plt.legend()
    plt.tight_layout()
    plt.show()



.. image-sg:: /gallery/validation/bohren_huffman/images/sphx_glr_figure_87_001.png
   :alt: figure 87
   :srcset: /gallery/validation/bohren_huffman/images/sphx_glr_figure_87_001.png
   :class: sphx-glr-single-img






.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.347 seconds)


.. _sphx_glr_download_gallery_validation_bohren_huffman_figure_87.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: figure_87.ipynb <figure_87.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: figure_87.py <figure_87.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: figure_87.zip <figure_87.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_