2020
DOI: 10.1016/j.nima.2020.164203
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Radiation damage study of SensL J-series silicon photomultipliers using 101.4 MeV protons

Abstract: Radiation damage of J-series silicon photomultipliers (SiPMs) has been studied in the context of using these photodetectors in future space-borne scintillation detectors. Several SiPM samples were exposed to 101.4 MeV protons, with 1 MeV neutron equivalent fluence ranging from 1.27 × 10 8 n eq /cm 2 to 1.23 × 10 10 n eq /cm 2. After the irradiation, the SiPMs experienced a large increase in the dark current and noise, which may pose problems for long-running space missions in terms of power consumption, therma… Show more

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Cited by 30 publications
(13 citation statements)
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“…The effects of SiPM radiation damage on the detector performance have been assessed in a follow-up study, where the same SiPMs were irradiated with 101.4 MeV protons [ 33 ]. Depending on orbit and mission lifetime, the SiPM dark current and noise can increase by orders of magnitude, increasing the power requirements and limiting the ability of the detector to detect low energy gamma rays.…”
Section: Discussionmentioning
confidence: 99%
“…The effects of SiPM radiation damage on the detector performance have been assessed in a follow-up study, where the same SiPMs were irradiated with 101.4 MeV protons [ 33 ]. Depending on orbit and mission lifetime, the SiPM dark current and noise can increase by orders of magnitude, increasing the power requirements and limiting the ability of the detector to detect low energy gamma rays.…”
Section: Discussionmentioning
confidence: 99%
“…The SiPMs at such a detector are exposed to proton particle radiation that causes an additional deviation in the breakdown voltage and an increase of the dark current [7,8]. Working at 1 V overvoltage can reduce the dark current by a factor of 20, compared to standard 3.6 V overvoltage, at a cost of increasing the SiPM sensitivity to the breakdown voltage variation [21]. Hence, the dark current can be reduced while the breakdown voltage variation is addressed using the proposed topology.…”
Section: Discussionmentioning
confidence: 99%
“…SiPMs are known to receive damage from proton radiation leading to an increase in operating current and detector noise. These effects were evaluated using a prototype of the GMOD detector irradiated with a proton beam [ 48 ]. After one year of operation in the ISS-like orbit, the detector is still expected to detect gamma rays with energy above 30 keV, which exceeds the mission requirement of 50 keV.…”
Section: Gmod — the Gamma-ray Modulementioning
confidence: 99%
“…Such a payload is seen as a significant advance over legacy instrumentation which typically relied on classical photomultiplier tube scintillator detection and discrete control and readout electronics. A prototype configuration of the payload was evaluated on a balloon flight [47] and used to test the radiation harness of the SiPMs [48].…”
Section: Introductionmentioning
confidence: 99%