.. Copyright Celeritas contributors: see top-level COPYRIGHT file for details
.. SPDX-License-Identifier: CC-BY-4.0

.. _api_optical_physics:

***************
Optical physics
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As with EM physics, the optical physics models in Celeritas are closely related
to those in Geant4. Unlike Geant4, optical photon generation and stepping in
Celeritas takes place in a drastically different manner.

.. toctree::
   :maxdepth: 2

   optical-physics/properties.rst
   optical-physics/generating.rst
   optical-physics/bulk.rst
   optical-physics/surface.rst