If the FreeCAD-pyOpTools workbench contributed significantly to your academic work, we encourage you to acknowledge its use by citing the project appropriately.
Here's a BibTeX entry you can use:
@misc{amezquita2024freecad_pyoptools, author = {Amézquita Orozco, Ricardo}, title = {FreeCAD-pyOpTools Workbench: An Optical Simulation Tool}, year = {2024}, url = {https://github.com/cihologramas/freecad-pyoptools}, note = {Software} }