Design, specification, and manufacturing of a PIAACMC for the SPEED testbed

P. Martinez; M. Beaulieu; O. Guyon; L. Abe; C. Gouvret; J. Dejonghe; O. Preis

doi:10.1117/12.2313501

6 July 2018 Design, specification, and manufacturing of a PIAACMC for the SPEED testbed

P. Martinez, M. Beaulieu, O. Guyon, L. Abe, C. Gouvret, J. Dejonghe, O. Preis

Proceedings Volume 10702, Ground-based and Airborne Instrumentation for Astronomy VII; 1070243 (2018) https://doi.org/10.1117/12.2313501
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The Phase-Induced Amplitude Apodization Complex Mask Coronagraph (PIAACMC) is a promising corona- graphic device for direct detection of exoplanets with complex segmented telescope apertures. This concept features the bright idea of generating a pupil apodization by reflection on two mirrors whose wavefront maps are specifically optimized, and a complex focal plane mask. In this paper, we report on the design, specifications, and manufacturing of such a coronagraph for the SPEED facility (Segmented Pupil Experiment for Exoplanet Detection) struggled for deep contrast at small angular separation with complex telescope aperture.

Citation Download Citation

P. Martinez, M. Beaulieu, O. Guyon, L. Abe, C. Gouvret, J. Dejonghe, and O. Preis "Design, specification, and manufacturing of a PIAACMC for the SPEED testbed", Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 1070243 (6 July 2018); https://doi.org/10.1117/12.2313501

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