Comparison of proton and electron radiation effects on dark count rate in a CMOS SPAD sensor

Marcello Campajola; Francesco Di Capua; Leonardo Gasperini

doi:10.1117/12.2559507

13 December 2020 Comparison of proton and electron radiation effects on dark count rate in a CMOS SPAD sensor

Marcello Campajola, Francesco Di Capua, Leonardo Gasperini

Proceedings Volume 11454, X-Ray, Optical, and Infrared Detectors for Astronomy IX; 1145409 (2020) https://doi.org/10.1117/12.2559507
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

The aim of this work is to investigate the degradation induced by radiation on the Dark Count Rate in a monolithic SPADs detector manufactured in a 150-nm CMOS process. Two irradiation campaigns have been carried out with 16 MeV protons and 2 MeV electrons. Samples have been exposed to different displacement damage dose. Differences between the effects induced by the two irradiation particle types have been observed. The Dark Count Rate characterization as a function of the delivered fluence has been reported, providing the limits of operability of such devices in a radiation environment. Finally, possible Dark Count Rate mitigation techniques have been investigated.

Conference Presentation

Citation Download Citation

Marcello Campajola, Francesco Di Capua, and Leonardo Gasperini "Comparison of proton and electron radiation effects on dark count rate in a CMOS SPAD sensor", Proc. SPIE 11454, X-Ray, Optical, and Infrared Detectors for Astronomy IX, 1145409 (13 December 2020); https://doi.org/10.1117/12.2559507

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