Matches in SemOpenAlex for { <https://semopenalex.org/work/W2078165633> ?p ?o ?g. }
Showing items 1 to 80 of
80
with 100 items per page.
- W2078165633 endingPage "A150" @default.
- W2078165633 startingPage "A150" @default.
- W2078165633 abstract "We introduce a novel phase retrieval method for astronomical applications based on the Nijboer-Zernike (NZ) theory of diffraction. We present a generalized NZ phase retrieval process that is not limited to small and symmetric aberrations and can therefore be directly applied to astronomical imaging instruments. We describe a practical demonstration of this novel method that was recently performed using data taken on-sky with NAOS-CONICA, the adaptive optics system of the Very Large Telescope. This demonstration presents the first online on-sky phase retrieval results ever obtained, and allows us to plan subsequent refinements on a well-tested basis. Among the potential refinements, and within the framework of high-contrast imaging of extra-solar planetary systems (which requires exquisite wavefront quality), we introduce an extension of the generalized NZ to the high-dynamic range case, and particularly to its use with the vector vortex coronagraph. This induces conjugated phase ramps applied to the orthogonal circular polarizations, which can be used to instantaneously retrieve the complex amplitude of the field, yielding a real-time calibration of the wavefront that does not need any other modulation such as focus or other deformable mirror probe patterns. Paper II (Riaud et al. 2012, A&A, 545, A151) presents the mathematical and practical details of the new method." @default.
- W2078165633 created "2016-06-24" @default.
- W2078165633 creator A5059441675 @default.
- W2078165633 creator A5061947430 @default.
- W2078165633 creator A5082919613 @default.
- W2078165633 date "2012-09-01" @default.
- W2078165633 modified "2023-10-03" @default.
- W2078165633 title "Nijboer-Zernike phase retrieval for high contrast imaging" @default.
- W2078165633 cites W1510252798 @default.
- W2078165633 cites W1643399592 @default.
- W2078165633 cites W1968646685 @default.
- W2078165633 cites W2007593159 @default.
- W2078165633 cites W2009360693 @default.
- W2078165633 cites W2103824900 @default.
- W2078165633 cites W2135443374 @default.
- W2078165633 cites W2138193134 @default.
- W2078165633 cites W2151698220 @default.
- W2078165633 doi "https://doi.org/10.1051/0004-6361/201219613" @default.
- W2078165633 hasPublicationYear "2012" @default.
- W2078165633 type Work @default.
- W2078165633 sameAs 2078165633 @default.
- W2078165633 citedByCount "10" @default.
- W2078165633 countsByYear W20781656332012 @default.
- W2078165633 countsByYear W20781656332013 @default.
- W2078165633 countsByYear W20781656332014 @default.
- W2078165633 countsByYear W20781656332017 @default.
- W2078165633 countsByYear W20781656332020 @default.
- W2078165633 countsByYear W20781656332022 @default.
- W2078165633 countsByYear W20781656332023 @default.
- W2078165633 crossrefType "journal-article" @default.
- W2078165633 hasAuthorship W2078165633A5059441675 @default.
- W2078165633 hasAuthorship W2078165633A5061947430 @default.
- W2078165633 hasAuthorship W2078165633A5082919613 @default.
- W2078165633 hasBestOaLocation W20781656331 @default.
- W2078165633 hasConcept C102519508 @default.
- W2078165633 hasConcept C120665830 @default.
- W2078165633 hasConcept C121332964 @default.
- W2078165633 hasConcept C1276947 @default.
- W2078165633 hasConcept C165699331 @default.
- W2078165633 hasConcept C2776502983 @default.
- W2078165633 hasConcept C3019351333 @default.
- W2078165633 hasConcept C44280652 @default.
- W2078165633 hasConcept C44870925 @default.
- W2078165633 hasConcept C62520636 @default.
- W2078165633 hasConcept C81793267 @default.
- W2078165633 hasConcept C92423082 @default.
- W2078165633 hasConceptScore W2078165633C102519508 @default.
- W2078165633 hasConceptScore W2078165633C120665830 @default.
- W2078165633 hasConceptScore W2078165633C121332964 @default.
- W2078165633 hasConceptScore W2078165633C1276947 @default.
- W2078165633 hasConceptScore W2078165633C165699331 @default.
- W2078165633 hasConceptScore W2078165633C2776502983 @default.
- W2078165633 hasConceptScore W2078165633C3019351333 @default.
- W2078165633 hasConceptScore W2078165633C44280652 @default.
- W2078165633 hasConceptScore W2078165633C44870925 @default.
- W2078165633 hasConceptScore W2078165633C62520636 @default.
- W2078165633 hasConceptScore W2078165633C81793267 @default.
- W2078165633 hasConceptScore W2078165633C92423082 @default.
- W2078165633 hasLocation W20781656331 @default.
- W2078165633 hasLocation W20781656332 @default.
- W2078165633 hasLocation W20781656333 @default.
- W2078165633 hasOpenAccess W2078165633 @default.
- W2078165633 hasPrimaryLocation W20781656331 @default.
- W2078165633 hasRelatedWork W1841809615 @default.
- W2078165633 hasRelatedWork W1857351257 @default.
- W2078165633 hasRelatedWork W1989693711 @default.
- W2078165633 hasRelatedWork W1994702306 @default.
- W2078165633 hasRelatedWork W2026121344 @default.
- W2078165633 hasRelatedWork W2029125027 @default.
- W2078165633 hasRelatedWork W2358247450 @default.
- W2078165633 hasRelatedWork W3104025681 @default.
- W2078165633 hasRelatedWork W3106428885 @default.
- W2078165633 hasRelatedWork W3124718772 @default.
- W2078165633 hasVolume "545" @default.
- W2078165633 isParatext "false" @default.
- W2078165633 isRetracted "false" @default.
- W2078165633 magId "2078165633" @default.
- W2078165633 workType "article" @default.