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

doi:10.1117/12.857541

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

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77354D (2010) https://doi.org/10.1117/12.857541
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

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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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