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Laboratory Experiment Results with the Phase Knife Coronagraph

Published online by Cambridge University Press:  28 May 2003

Claude Aime ,
Rémi Soummer  and
L. Abe
L. Abe*
Affiliation:
UMR 6525, Parc Valrose, Université de Nice Sophia-Antipolis, 06108 Nice Cedex, France
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Abstract

We report experimental results from the Phase Knife Coronagaph (monochromatic case) which validate our previous theoretical and numerical simulations, prove the physical principle of it and set realistic limitations to the nulling properties of the coronagraph. The optical set-up, phase knives manufacturing technique and different aspects of the instrumental limitations are given. The first results attain easily a 3000 nulling effect. These results are successfully confronted to numerical simulations, proving the good agreement to theory.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 8: Astronomy with High Contrast Imaging , 2003 , pp. 181 - 192
Copyright
© EAS, EDP Sciences, 2003

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