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Radiation tests of single photon avalanche diode for space applications (Articolo in rivista)

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Radiation tests of single photon avalanche diode for space applications (Articolo in rivista) (literal)

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Moscatelli F, Marisaldi M, Maccagnani P, Labanti C, Fuschino F, Prest M, Berra A, Bolognini D, Ghioni M, Rech I, Gulinatti A, Giudice A, Simmerle G, Candelori A, Mattiazzo S, Sun XL, Cavanaugh JF, Rubini D (2013)
Radiation tests of single photon avalanche diode for space applications
in NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT; Elsevier, Amsterdam (Paesi Bassi)
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Moscatelli F, Marisaldi M, Maccagnani P, Labanti C, Fuschino F, Prest M, Berra A, Bolognini D, Ghioni M, Rech I, Gulinatti A, Giudice A, Simmerle G, Candelori A, Mattiazzo S, Sun XL, Cavanaugh JF, Rubini D (literal)

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CNR-IMM Bologna, Via Gobetti 101, 40129 Bologna, Italy; INAF-IASF Bologna, Via Gobetti 101, 40129 Bologna, Italy; Università Degli Studi dell'Insubria, INFN Sezione di Milano Bicocca, Via Valleggio 11, 22100 Como, Italy; Dipartimento di Elettronica e Informazione, Politecnico di Milano, 20133 Milano, Italy; Micro Photon Devices, Via Stradivari 4, 39100 Bolzano, Italy; INFN Sezione di Padova and Dipartimento di Fisica, Università Degli Studi di Padova, Via Marzolo 8, 35131 Padova, Italy; NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA; Italian Space Agency, Viale Liegi 26, 00198 Roma, Italy; (literal)

Titolo

Radiation tests of single photon avalanche diode for space applications (literal)

Abstract

Single photon avalanche diodes (SPADs) have been recently studied as photodetectors for applications in space missions. In this presentation we report the results of radiation hardness test on large area SPAD (actual results refer to SPADs having 500 mu m diameter). Dark counts rate as low as few kHz at -10 degrees C has been obtained for the 500 mu m devices, before irradiation. We performed bulk damage and total dose radiation tests with protons and gamma-rays in order to evaluate their radiation hardness properties and their suitability for application in a Low Earth Orbit (LEO) space mission. With this aim SPAD devices have been irradiated using up to 20 krad total dose with gamma-rays and 5 krad with protons. The test performed show that large area SPADs are very sensitive to proton doses as low as 2 x 10(8) (1 MeV eq) n/cm(2) with a significant increase in dark counts rate (DCR) as well as in the manifestation of the \"random telegraph signal\" effect. Annealing studies at room temperature (RT) and at 80 degrees C have been carried out, showing a high decrease of DCR after 24-48 h at RT. Lower protons doses in the range 1-10 x 10(7) (1 MeV eq) n/cm(2) result in a lower increase of DCR suggesting that the large-area SPADs tested in this study are well suitable for application in low-inclination LEO, particularly useful for gamma-ray astrophysics. (c) 2013 Elsevier B.V. All rights reserved. (literal)

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