.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/scattering/03_wavelength_sweep.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

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

        :ref:`Go to the end <sphx_glr_download_gallery_scattering_03_wavelength_sweep.py>`
        to download the full example code.

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

.. _sphx_glr_gallery_scattering_03_wavelength_sweep.py:


Single-sphere wavelength sweep
==============================

Compare scattering cross sections of a fixed sphere across wavelengths in the
same medium. This independent-particle optical calculation contains no
packing structure or multiple scattering.

.. GENERATED FROM PYTHON SOURCE LINES 9-33



.. image-sg:: /gallery/scattering/images/sphx_glr_03_wavelength_sweep_001.png
   :alt: Fixed 200 nm sphere
   :srcset: /gallery/scattering/images/sphx_glr_03_wavelength_sweep_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    import matplotlib.pyplot as plt
    import numpy as np
    from PackLab import scattering, ureg

    wavelengths = np.array([400, 450, 500, 550, 600, 650, 700])
    cross_sections = []
    for wavelength in wavelengths:
        dataset = scattering.compute_scattering_amplitudes(
            wavelength=wavelength * ureg.nanometer,
            diameters=np.array([200]) * ureg.nanometer,
            material=1.59,
            medium=1.33,
            phi=np.linspace(-90, 90, 181) * ureg.degree,
        )
        dataset.process()
        cross_sections.append(dataset.Csca.to("nanometer**2").magnitude[0])
    figure, axis = plt.subplots()
    axis.plot(wavelengths, cross_sections, "o-")
    axis.set(
        xlabel="wavelength (nm)", ylabel="scattering cross section (nm²)", title="Fixed 200 nm sphere"
    )
    axis.grid(alpha=0.2)
    figure.tight_layout()


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

   **Total running time of the script:** (0 minutes 0.063 seconds)


.. _sphx_glr_download_gallery_scattering_03_wavelength_sweep.py:

.. only:: html

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

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

      :download:`Download Jupyter notebook: 03_wavelength_sweep.ipynb <03_wavelength_sweep.ipynb>`

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

      :download:`Download Python source code: 03_wavelength_sweep.py <03_wavelength_sweep.py>`

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

      :download:`Download zipped: 03_wavelength_sweep.zip <03_wavelength_sweep.zip>`


.. only:: html

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

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