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Phase masks in astronomy:From the Mach-Zehnder interferometer to coronagraphs

Published online by Cambridge University Press:  11 October 2004

K. Dohlen*
Affiliation:
Laboratoire d'Astrophysique de Marseille, 2 place Leverrier, 13248 Marseille Cedex 4, France;
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Abstract

Phase masks have numerous applications in astronomical optics, in particular related to two themes: coronagraphy 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 coronagraph.

Type
Research Article
Copyright
© EAS, EDP Sciences, 2004

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