Hypertelescopes for direct imaging and coronagraphy
Identifieur interne : 000059 ( France/Analysis ); précédent : 000058; suivant : 000060Hypertelescopes for direct imaging and coronagraphy
Auteurs : Sophie Gillet [France] ; Anthony Boccaletti [France, États-Unis] ; Pierre Riaud [France] ; Luc Arnold [France] ; Olivier Lardière [France] ; Antoine Labeyrie [France]Source :
- Comptes Rendus de l'Academie des Sciences Series IV Physics [ 1296-2147 ] ; 2001.
Abstract
Densified-pupil interferometers, also called hypertelescopes, can provide direct images usable for general imaging and coronagraphy. Their properties can be deduced from a comparison with blazed diffraction gratings. Ground-based versions are considered, in the form of 10 km planar telescope arrays or of 5 km spherical arrays comparable to the Arecibo radio-telescope. Steps are taken for tests at Arecibo. Space versions are proposed for detecting extra-solar planets and, in a second step, for resolving these planets and searching photosynthetic bio-markers.
Url:
DOI: 10.1016/S1296-2147(01)01154-4
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream Main, to step Corpus: 000810
- to stream Main, to step Curation: 000810
- to stream Main, to step Exploration: 000443
- to stream France, to step Extraction: 000059
Links to Exploration step
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<front><div type="abstract" xml:lang="en">Densified-pupil interferometers, also called hypertelescopes, can provide direct images usable for general imaging and coronagraphy. Their properties can be deduced from a comparison with blazed diffraction gratings. Ground-based versions are considered, in the form of 10 km planar telescope arrays or of 5 km spherical arrays comparable to the Arecibo radio-telescope. Steps are taken for tests at Arecibo. Space versions are proposed for detecting extra-solar planets and, in a second step, for resolving these planets and searching photosynthetic bio-markers.</div>
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