by Scott Prahl

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A collection of routines for non-interferometric testing of lenses and mirrors.

This implementation contains code for

  • Foucault Knife Edge Test

  • Ronchi Ruling Test

Detailed documentation is at <https://lenstest.readthedocs.io>

Using lenstest

  1. Install with pip:

    pip install --user lenstest
  2. or run this code in the cloud using Google Collaboratory by selecting the Jupyter notebook that interests you.

  3. use binder which will create a new environment that allows you to run Jupyter notebooks. This takes a bit longer to start, but it automatically installs lenstest.

  4. clone the lenstest github repository and then add the repository to your PYTHONPATH environment variable


lenstest is licensed under the terms of the MIT license.