Radiation tests of the silicon drift detectors for LOFT

E. Del Monte; P. Azzarello; E. Bozzo; S. Bugiel; S. Diebold; Y. Evangelista; E. Kendziorra; F. Muleri; E. Perinati; A. Rachevski; G. Zampa; N. Zampa; M. Feroci; M. Pohl; A. Santangelo; A. Vacchi

doi:10.1117/12.2055747

24 July 2014 Radiation tests of the silicon drift detectors for LOFT

E. Del Monte, P. Azzarello, E. Bozzo, S. Bugiel, S. Diebold, Y. Evangelista, E. Kendziorra, F. Muleri, E. Perinati, A. Rachevski, G. Zampa, N. Zampa, M. Feroci, M. Pohl, A. Santangelo, A. Vacchi

Author Affiliations +

Proceedings Volume 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray; 914464 (2014) https://doi.org/10.1117/12.2055747
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

During the three years long assessment phase of the LOFT mission, candidate to the M3 launch opportunity of the ESA Cosmic Vision programme, we estimated and measured the radiation damage of the silicon drift detectors (SDDs) of the satellite instrumentation. In particular, we irradiated the detectors with protons (of 0.8 and 11 MeV energy) to study the increment of leakage current and the variation of the charge collection efficiency produced by the displacement damage, and we “bombarded” the detectors with hypervelocity dust grains to measure the effect of the debris impacts. In this paper we describe the measurements and discuss the results in the context of the LOFT mission.

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E. Del Monte, P. Azzarello, E. Bozzo, S. Bugiel, S. Diebold, Y. Evangelista, E. Kendziorra, F. Muleri, E. Perinati, A. Rachevski, G. Zampa, N. Zampa, M. Feroci, M. Pohl, A. Santangelo, and A. Vacchi "Radiation tests of the silicon drift detectors for LOFT", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914464 (24 July 2014); https://doi.org/10.1117/12.2055747

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