Paper
20 July 2010 Measurements and optimization of the occulting disk for the ASPIICS/PROBA-3 formation flying solar coronagraph
Federico Landini, Alexandra Mazzoli, Melanie Venet, Sébastien Vivès, Marco Romoli, Philippe Lamy, Guglielmo Rossi
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Abstract
Solar coronagraphs in formation ying require several mechanical and technological constraints to be met. One of the most critical issues is the external occulter design and its optimization. The occulter edge requires special attention in order to minimize the diraction while being compatible with the constraints of handling and integrating large delicate space components. Moreover, it is practically impossible to realize a full scale model for laboratory tests. This article describes the results of tests performed with a scaled-model breadboard of the ASPIICS coronagraph disk edge, using the Articial Sun facility at Laboratoire d'Astrophysique de Marseille.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Federico Landini, Alexandra Mazzoli, Melanie Venet, Sébastien Vivès, Marco Romoli, Philippe Lamy, and Guglielmo Rossi "Measurements and optimization of the occulting disk for the ASPIICS/PROBA-3 formation flying solar coronagraph", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77354D (20 July 2010); https://doi.org/10.1117/12.857541
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Cited by 7 scholarly publications.
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KEYWORDS
Coronagraphy

Stray light

Apodization

Aluminum

Manufacturing

Optical testing

Surface finishing

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