From: Mitigating radiation damage of single photon detectors for space applications
Group | Fluence @ 100 MeV, protons/cm 2 | Before irradiation | After irradiation | |||||
---|---|---|---|---|---|---|---|---|
DRC, cps | Afterpulsing, % | Jitter, ps | DCR, cps | Afterpulsing, % | Jitter, ps | Efficiency, % | ||
6 | 109 | 6.25 | 3.4 | 600 | 399 | 1.1 | 660 | 23 |
7 | 2 × 109 | 14.4 | 13.8 | 550 | 592 | 0.76 | 640 | 23 |
8 | 4 × 109 | 7 | 166 | 600 | 10 | 45 | 400 | 21 |
9 | 0 | 5 | 0.22 | 590 | 0.5 | 0.22 | 590 | 20 |