**Optical Distances (Interference)**
====================================



.. py:currentmodule:: symplyphysics.optics.wave_optics.interference.optical_distances

**Contents:**

.. toctree::
    :maxdepth: 4


    optics.wave_optics.interference.optical_distances.optical_distance_difference_from_optical_distances
    optics.wave_optics.interference.optical_distances.optical_path_length_from_geometrical_path_length_and_refractive_index