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PSI package for focal-plane wavefront sensing, developed primarily for ELT/METIS

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PSI

Python implementation of Phase Sorting Interferometry (PSI) for estimating non-common path errors in High Contrast Imaging (HCI) instruments.

This PSI package is developed primarily for ELT/METIS, but also for VLT/ERIS.

Legacy contribution

This work is based on the initial work of Emiel Por, followed-up by the work of Matthew Willson†:

  • fepsi : written by Emiel Por and modified by Matthew Kenworthy (Leiden University)
  • psi : preliminary package developed by Matthew Willson† for METIS (Liège University)

The initial commit of this repository is a copy of psi.

References

Dependencies

Code requires the following Python package : hcipy and all its dependencies.

The ffmpeg tools are required for generating movies.

HCIPy is a Python software package written and developed by Emiel Por for performing end-to-end simulations of high contrast imaging instruments for astronomy.

We recommand to use the latest release: 0.5.0 on 18 August 2022 (minimum required: '0.4.1.dev137+gc1ea9e5' - master version of 5 December 2021).

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PSI package for focal-plane wavefront sensing, developed primarily for ELT/METIS

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