Characterization of the spectral performance of the pnCCD after proton irradiation to predict the end-of-life performance of the Microchannel X-Ray Telescope  Camera on board the SVOM mission

Diana Renaud; Hugo Allaire; Axel Barrey; Marion Baumann; David Baudin; Ion Cojocari; Eric Doumayrou; Diego Götz; Philippe Ferrando; Philippe Laurent; Michel Lortholary; Pascal Mercère; Aline Meuris; Frédéric Pinsard; Thibault Pichon; Clara Plasse; Marin Prieur; Léna Provost; Benjamin Schneider; Timothée Tollet; Thierry Tourrette; François Visticot; Norbert Meidinger

doi:10.1117/12.3018856

28 August 2024 Characterization of the spectral performance of the pnCCD after proton irradiation to predict the end-of-life performance of the Microchannel X-Ray Telescope Camera on board the SVOM mission

Diana Renaud, Hugo Allaire, Axel Barrey, Marion Baumann, David Baudin, Ion Cojocari, Eric Doumayrou, Diego Götz, Philippe Ferrando, Philippe Laurent, Michel Lortholary, Pascal Mercère, Aline Meuris, Frédéric Pinsard, Thibault Pichon, Clara Plasse, Marin Prieur, Léna Provost, Benjamin Schneider, Timothée Tollet, Thierry Tourrette, François Visticot, Norbert Meidinger

Author Affiliations +

Proceedings Volume PC13103, X-Ray, Optical, and Infrared Detectors for Astronomy XI; PC131030U (2024) https://doi.org/10.1117/12.3018856
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

On-board SVOM to be launched in 2024, the Microchannel X-Ray Telescope (MXT) is equipped with a 256 x 256 pixel pnCCD and two CAMEX ASIC operated at -65°C, and a full-custom front-end electronics box to control the focal plane and extract photon events. Proton irradiation tests were performed on a qualification model of the MXT focal plane and were followed by spectral calibration tests in the SOLEIL synchrotron. The paper will describe the setups of these two campaigns and the performance results, in particular the degradation of charge efficiency transfer and energy resolution by displacement damage dose.

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Diana Renaud, Hugo Allaire, Axel Barrey, Marion Baumann, David Baudin, Ion Cojocari, Eric Doumayrou, Diego Götz, Philippe Ferrando, Philippe Laurent, Michel Lortholary, Pascal Mercère, Aline Meuris, Frédéric Pinsard, Thibault Pichon, Clara Plasse, Marin Prieur, Léna Provost, Benjamin Schneider, Timothée Tollet, Thierry Tourrette, François Visticot, and Norbert Meidinger "Characterization of the spectral performance of the pnCCD after proton irradiation to predict the end-of-life performance of the Microchannel X-Ray Telescope Camera on board the SVOM mission", Proc. SPIE PC13103, X-Ray, Optical, and Infrared Detectors for Astronomy XI, PC131030U (28 August 2024); https://doi.org/10.1117/12.3018856

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