.. _The_CrossGrating_class:

The CrossGrating class
======================

*CrossGrating* is a handle class.

A *CrossGrating* object represents the QLSI grating used in the system.

Properties
----------


.. list-table:: Read-only properties
    :widths: 30 30 30 100 
    :header-rows: 1
    :align: center

    * - name
      - type
      - default
      - description
    * - ``name``
      - *char*
      - 'undefined'
      - Reference of the grating
    * - ``Gamma``
      - *double*
      - 
      - Pitch of the grating \[m\]
    * - ``depth``
      - *double*
      - 
      - Etching depth of the :math:`0-\pi` pattern \[m\]
    * - ``RI``
      - *double*
      - 1.46
      - Refractive index of the material
    * - ``lambda0``
      - *double*
      - 
      - Central wavelength the grating is made for \[m\]

.. include:: CrossGrating/CrossGrating_constructor.txt