ECLAIRs coded mask design for SVOM mission

Alain Givaudan; Sébastien Bégoc; Walter Bertoli; Stéphane Dheilly; Aleksandra Gros; Philippe Guillemot; Maurice Karakac; Cyril Lachaud; Pierre Mandrou; Hélène Pasquier; Stéphane Schanne

doi:10.1117/12.3020147

21 August 2024 ECLAIRs coded mask design for SVOM mission

Alain Givaudan, Sébastien Bégoc, Walter Bertoli, Stéphane Dheilly, Aleksandra Gros, Philippe Guillemot, Maurice Karakac, Cyril Lachaud, Pierre Mandrou, Hélène Pasquier, Stéphane Schanne

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 1309370 (2024) https://doi.org/10.1117/12.3020147
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The AstroParticle and Cosmology Laboratory is in charge of the coded mask subsystem of the ECLAIRs instrument, which is integrated into the SVOM mission. The ECLAIRs instrument is dedicated to the detection and location of gamma rays and X-rays in the energy band from 4 to 150 keV, and is being managed by the CNES. The mask pattern is determined by scientific criteria (location accuracy and sensitivity) and mechanical criteria (rigidity, mechanical strength, etc.). The low threshold of 4 keV means that the mask is self-supporting (the first time it has been done for a mask of this size). The mask has been developed and the flight model has been delivered and integrated into the ECLAIRs instrument, which is due to be launched on June 24th 2024. The aim of this document is to present the geometry of the mask, the design choices, the manufacturing processes and the feedback from this assembly.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Alain Givaudan, Sébastien Bégoc, Walter Bertoli, Stéphane Dheilly, Aleksandra Gros, Philippe Guillemot, Maurice Karakac, Cyril Lachaud, Pierre Mandrou, Hélène Pasquier, and Stéphane Schanne "ECLAIRs coded mask design for SVOM mission", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 1309370 (21 August 2024); https://doi.org/10.1117/12.3020147

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