Interferometric calibration of a deformable mirror

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DOI (concept): https://doi.org/10.5281/zenodo.3714951 

Authors: Jacopo Antonello, Jingyu Wang, Chao He, Mick Phillips, Martin Booth

Licence: CC-BY-4.0

Last modified: 6 yrs ago

The listed authors have participated in the writing of this document. As the content is the culmination of long term work in the Dynamic Optics and Photonics Group, many others have contributed directly or indirectly to this material. We consciously acknowledge all of these contributions, even though it is impractical to list them all here.

Abstract

This tutorial discusses the static calibration of a deformable mirror using a Twyman--Green interferometer setup, combined with single-frame fringe analysis for phase extraction. We provide a reference implementation for this method in the form of a toolbox written in Python. In addition, we include detailed instructions to build a compact, slot-in interferometer. This protocol, accompanying software, and hardware design facilitate calibration of deformable mirrors for a range of applications.

 

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