Characterization of avalanche photodiodes (APDs) for the CUbesat Solar Polarimeter (CUSP) mission

F. Cologgi; A. Alimenti; S. Fabiani; K. Torokhtii; E. Silva; E. Del Monte; I. Baffo; S. Bonomo; D. Brienza; R. Campana; M. Centrone; G. Contini; E. Costa; G. Cucinella; A. Curatolo; N. De Angelis; G. De Cesare; A. Del Re; S. Di Cosimo; S. Di Filippo; A. Di Marco; G. Di Persio; I. Donnarumma; P. Fanelli; P. Leonetti; A. Locarini; P. Loffredo; G. Lombardi; G. Minervini; D. Modenini; F. Muleri; S. Natalucci; A. Negri; M. Perelli; M. Rossi; A. Rubini; E. Scalise; P. Soffitta; C. Terracciano; P. Tortora; E. Zaccagnino; A. Zambardi

doi:10.1117/12.3018943

21 August 2024 Characterization of avalanche photodiodes (APDs) for the CUbesat Solar Polarimeter (CUSP) mission

F. Cologgi, A. Alimenti, S. Fabiani, K. Torokhtii, E. Silva, E. Del Monte, I. Baffo, S. Bonomo, D. Brienza, R. Campana, M. Centrone, G. Contini, E. Costa, G. Cucinella, A. Curatolo, N. De Angelis, G. De Cesare, A. Del Re, S. Di Cosimo, S. Di Filippo, A. Di Marco, G. Di Persio, I. Donnarumma, P. Fanelli, P. Leonetti, A. Locarini, P. Loffredo, G. Lombardi, G. Minervini, D. Modenini, F. Muleri, S. Natalucci, A. Negri, M. Perelli, M. Rossi, A. Rubini, E. Scalise, P. Soffitta, C. Terracciano, P. Tortora, E. Zaccagnino, A. Zambardi

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 1309384 (2024) https://doi.org/10.1117/12.3018943
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The CUbesat Solar Polarimeter (CUSP) project is a CubeSat mission orbiting the Earth aimed to measure the linear polarization of solar flares in the hard X-ray band by means of a Compton scattering polarimeter. CUSP will allow the study of the magnetic reconnection and particle acceleration in the flaring magnetic structures of our star. CUSP is a project in the framework of the Alcor Program of the Italian Space Agency aimed at developing new CubeSat missions. It is approved for a Phase B study. In this work, we report on the characterization of the Avalanche Photodiodes (APDs) that will be used as readout sensors of the absorption stage of the Compton polarimeter. We assessed the APDs gain and energy resolution as a function of temperature by irradiating the sensor with a ⁵⁵Fe radioactive source. Moreover, the APDs were also characterized as being coupled to a GAGG scintillator.

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

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F. Cologgi, A. Alimenti, S. Fabiani, K. Torokhtii, E. Silva, E. Del Monte, I. Baffo, S. Bonomo, D. Brienza, R. Campana, M. Centrone, G. Contini, E. Costa, G. Cucinella, A. Curatolo, N. De Angelis, G. De Cesare, A. Del Re, S. Di Cosimo, S. Di Filippo, A. Di Marco, G. Di Persio, I. Donnarumma, P. Fanelli, P. Leonetti, A. Locarini, P. Loffredo, G. Lombardi, G. Minervini, D. Modenini, F. Muleri, S. Natalucci, A. Negri, M. Perelli, M. Rossi, A. Rubini, E. Scalise, P. Soffitta, C. Terracciano, P. Tortora, E. Zaccagnino, and A. Zambardi "Characterization of avalanche photodiodes (APDs) for the CUbesat Solar Polarimeter (CUSP) mission", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 1309384 (21 August 2024); https://doi.org/10.1117/12.3018943

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