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https://github.com/spacetelescope/poppy

Physical Optics Propagation in Python
https://github.com/spacetelescope/poppy

astronomy diffraction optics python

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Physical Optics Propagation in Python

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POPPY: Physical Optics Propagation in Python
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POPPY (**P**\ hysical **O**\ ptics **P**\ ropagation in **Py**\ thon) is a Python package that simulates physical optical propagation including diffraction. It implements a flexible framework for modeling Fraunhofer and Fresnel diffraction and point spread function formation, particularly in the context of astronomical telescopes.

POPPY was developed as part of a simulation package for the James Webb Space Telescope, but is more broadly applicable to many kinds of imaging simulations. It is not, however, a substitute for high fidelity optical design software such as Zemax or Code V, but rather is intended as a lightweight alternative for cases for which diffractive rather than geometric optics is the topic of interest, and which require portability between platforms or ease of scripting.

For documentation, see http://poppy-optics.readthedocs.io/

Code by Marshall Perrin, Joseph Long, Ewan Douglas, Neil Zimmerman, Anand Sivaramakrishnan, Shannon Osborne, Kyle Douglass, Maciek Grochowicz, Phillip Springer, & Ted Corcovilos, with additional contributions from Remi Soummer, Kyle Van Gorkom, Jonathan Fraine, Christine Slocum, Roman Yurchak, and others on the Astropy team.

Projects using POPPY
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POPPY provides the optical modeling framework used in:

* WebbPSF, a PSF simulator for NASA's JWST and Roman space telescopes. See https://pypi.python.org/pypi/webbpsf
* ``gpipsfs``, a PSF simulator for the Gemini Planet Imager coronagraph. See https://github.com/geminiplanetimager/gpipsfs