pyElli

PyElli is a numerical solver for spectral ellipsometry employing well-known 2x2 and 4x4 algorithms. It is intended for a broad case of problems including simple fitting of layered structures, anisotropic layers and any other light interaction with layered 1D structures. It serves as a system for the day to day ellipsometry task at hand and makes fitting a breeze.

Features

• A multitude of models to approximate the dielectric function of your material.

• Build up your structure easily from materials and layers.

• Simulate reflection and transmission spectra, ellipsometric parameters and Mueller matrices.

• Utilities to quickly convert, plot and fit your measurement data.

• Powerful when necessary, editable and expandable.

How to get it

The installers for all releases are available at the Python Package Index (PyPI).

To install run:

pip install pyElli

A complete environment for pyElli is also available as a Docker Container. From a running Docker installation simply run:

docker pull domna/pyelli

To install the latest development version use:

pip install git+https://github.com/PyEllips/pyElli.git

The source code is hosted on GitHub, to manually install from source, download and run inside the downloaded folder:

python setup.py install

Acknowledgements

• Based on Olivier Castany’s Berreman4x4

• Solver2x2 based on Steve Byrnes’s tmm