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- W2034540818 abstract "Dans le but de parvenir à l'imagerie à haute dynamique d'objets comme les exoplanètes, nous présentons ici un nouveau concept de coronographe stellaire interférentiel, le « CIAXE ». Il est dérivé du « CIA », le Coronographe Interférentiel Achromatique. Le CIAXE se distingue de son prédécesseur par une combinaison optique originale, simplifiée, très compacte et totalement coaxiale. En effet, à la différence du CIA classique qui est dérivé de l'interféromètre de Michelson, le CIAXE délivre son faisceau de sortie sur le même axe que le faisceau d'entrée, ce qui facilitera grandement son insertion au sein de l'instrumentation focale d'un télescope. Un tel dispositif pourrait constituer une avancée en matière d'instrumentation focale pour la recherche d'exoplanètes. Pour citer cet article : J. Gay et al., C. R. Physique 6 (2005). We present a new type of stellar interfero-coronagraph, the ‘CIAXE’, which is a variant of the ‘AIC’, the Achromatic Interfero-Coronagraph. The CIAXE is characterized by a very simple, compact and fully coaxial optical combination. Indeed, contrarily to the classical AIC which has a Michelson interferometer structure, the CIAXE delivers its output beam on the same axis as the input beam. This will ease its insertion in the focal instrumentation of existing telescopes or next generation ones. Such a device could be a step forward in the field of instrumental search for exoplanets. To cite this article: J. Gay et al., C. R. Physique 6 (2005)." @default.
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- W2034540818 date "2005-12-01" @default.
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- W2034540818 title "Un coronographe interférentiel achromatique coaxial" @default.
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- W2034540818 doi "https://doi.org/10.1016/j.crhy.2005.12.001" @default.
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