Analytical Analysis of Lyot Coronagraphs Response | Zendy

André Ferrari | Zendy

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Analytical Analysis of Lyot Coronagraphs Response

Author(s) -

André Ferrari

Publication year - 2007

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/511026

Subject(s) - coronagraph , tilt (camera) , amplitude , optics , physics , computation , base (topology) , plane (geometry) , zernike polynomials , function (biology) , computer science , exoplanet , wavefront , mathematical analysis , planet , astrophysics , algorithm , mathematics , geometry , biology , evolutionary biology

We derive an analytical solution to the computation of the output of a Lyotcoronagraph for a given complex amplitude on the pupil plane. This solution,which does not require any simplifying assumption, relies on an expansion ofthe entrance complex amplitude on a Zernike base. According to this framework,the main contribution of the paper is the expression of the response of thecoronagraph to a single base function. This result is illustrated by a computersimulation which describes the classical effect of propagation of a tip-tilterror in a coronagraph

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