Comparing a radiation damage model for avalanche photodiodes through in-situ observation of CubeSat based devices

2022/09/01 by Arpad Lenart, Lenart, Arpad, Srihari Sivasankaran +10 · 1 citation
Engineering · #CCD and CMOS Imaging Sensors #FOS: Physical sciences #Quantum Physics (quant-ph) #Space Physics (physics.space-ph) #Space Satellite Systems and Control #Spacecraft Design and Technology

paper · pdf · doi:10.48550/arxiv.2209.00408

openalex publication_date 2022/09/01 · openalex created_date 2022/09/03 · openalex updated_date 2026/07/28

Abstract

Space-based quantum technologies are essential building blocks for global quantum networks. However, the optoelectronic components used can be susceptible to radiation damage. Predicting long-term instrument performance in the presence of radiation remains a challenging part of space missions. We present a model that accounts for differences in radiation shielding and can predict the trends for dark count rates of space-based silicon Geiger-mode avalanche photodiodes (GM-APD). We find that the predicted trends are correlated with in-situ observations from GM-APDs on-board the SpooQy-1 CubeSat mission.

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