Wave-front reconstruction for the non-linear curvature wave-front sensor

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2013

Autores

Correia, C (Autor) FCUP; Veran, JP (Autor) Outra; Guyon, O (Autor) Outra; Clergeon, C (Autor) Outra

Ata de Conferência Internacional

Título: 3rd AO4ELT Conference - Adaptive Optics for Extremely Large Telescopes

3rd Conference on Adaptive Optics for Extremely Large Telescopes, AO4ELT 2013

Florence, 26 May 2013 through 31 May 2013

Indexação

Scopus - 4 Citações

Outras Informações

ID Authenticus: P-009-HG8

DOI: 10.12839/ao4elt3.13290

Abstract (EN): Non-linear curvature wave-front sensing (nlCWFS) delivers outstanding sensitivity and high dynamic range by lifting the linearity constraint of standard curvature wave-front sensing and working in the non-linear Fresnel (near-field) regime [Guyon, 2010]. The goals of this paper are twofold: 1) revisit the phase-diversity PD formalism and attempt to use this framework, originally developed for the Fraunhofer (far-field) regime, with nlCWFS signals and 2) develop formulae making explicit use of the Fresnel regime for later use with gradient-based non-linear minimisation methods.

Idioma: Inglês

Tipo (Avaliação Docente): Científica