.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/validation/bohren_huffman/figure_810.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_810.py>`
        to download the full example code.

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

.. _sphx_glr_gallery_validation_bohren_huffman_figure_810.py:


Cylinder Scatterer Bohren-Huffman figure 8.10
=============================================

.. GENERATED FROM PYTHON SOURCE LINES 8-9

Importing the dependencies: numpy, matplotlib, PyMieSim

.. GENERATED FROM PYTHON SOURCE LINES 9-61

.. code-block:: Python

    import numpy
    import matplotlib.pyplot as plt
    from TypedUnit import ureg
    from MPSPlots.styles import mps

    from PyMieSim.directories import validation_data_path
    from PyMieSim.single.source import Gaussian
    from PyMieSim.single.scatterer import Cylinder

    theoretical = numpy.genfromtxt(
        f"{validation_data_path}/bohren_huffman/figure_810.csv", delimiter=","
    )

    x = theoretical[:, 0]
    y = theoretical[:, 1]

    source = Gaussian(
        wavelength=470 * ureg.nanometer,
        polarization=90 * ureg.degree,
        optical_power=1e-3 * ureg.watt,
        NA=0.1 * ureg.AU,
    )

    scatterer = Cylinder(
        diameter=3000 * ureg.nanometer,
        source=source,
        property=(1.0 + 0.07j) * ureg.RIU,
        medium_property=1.0 * ureg.RIU,
    )

    S1S2 = scatterer.get_s1s2(sampling=800)
    data = (numpy.abs(S1S2.S1) ** 2 + numpy.abs(S1S2.S2) ** 2) * (
        0.5 / (numpy.pi * source.wavenumber.to_base_units())
    ) ** (1 / 4)

    with plt.style.context(mps):
        figure, ax = plt.subplots(1, 1)

    ax.plot(S1S2.phi, data, "C1-", linewidth=3, label="PyMieSim")
    ax.plot(x, y, "k--", linewidth=1, label="B&H [8.10]")

    ax.set(
        xlabel="scatterertering angle [degree]",
        ylabel="Phase function",
        yscale="log",
    )

    ax.legend()
    plt.show()


    # -



.. image-sg:: /gallery/validation/bohren_huffman/images/sphx_glr_figure_810_001.png
   :alt: figure 810
   :srcset: /gallery/validation/bohren_huffman/images/sphx_glr_figure_810_001.png
   :class: sphx-glr-single-img






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

   **Total running time of the script:** (0 minutes 0.312 seconds)


.. _sphx_glr_download_gallery_validation_bohren_huffman_figure_810.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: figure_810.ipynb <figure_810.ipynb>`

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

      :download:`Download Python source code: figure_810.py <figure_810.py>`

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

      :download:`Download zipped: figure_810.zip <figure_810.zip>`


.. only:: html

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

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