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Shack-Hartmann mask/pupil registration algorithm for wavefront sensing in segmented mirror telescopes

Piatrou, Piotr; Chanan, Gary


Shack-Hartmann wavefront sensing in general requires careful registration of the reimaged telescope primary mirror to the Shack-Hartmann mask or lenslet array. The registration requirements are particularly demanding for applications in which segmented mirrors are phased using a physical optics generalization of the Shack-Hartmann test. In such cases the registration tolerances are less than 0.1% of the diameter of the primary mirror. We present a pupil registration algorithm suitable for such...[Show more]

CollectionsANU Research Publications
Date published: 2013-11-10
Type: Journal article
Source: Applied optics
DOI: 10.1364/AO.52.007778


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