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Phase masks in astronomy: From the Mach-Zehnder interferometer to Coronographs (1807.09852v1)
Published 25 Jul 2018 in astro-ph.IM
Abstract: Phase masks have numerous applications in astronomical optics, in particular related to two themes: coronography for detection and analysis of extrasolar planets or circumstellar disks, and wavefront analysis for extremely precise adaptive optics systems or cophasing of segmented mirrors. I review some of the literature concerning phase masks and attempt to bridge the gap between two instrumental systems in which they are often found: the Mach-Zehnder interferometer and the coronograph.