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Assessing Radiation Hardness of Silicon Photonic Sensors
Zeeshan Ahmed, Lonnie T. Cumberland, Nikolai N. Klimov, Ileana M. Pazos, Ronald E. Tosh, Ryan Fitzgerald

Published: 29 August 2018 by Springer Nature in Scientific Reports
Springer Nature, Volume 8; 10.1038/s41598-018-31286-9
Abstract: In recent years, silicon photonic platforms have undergone rapid maturation enabling not only optical communication but complex scientific experiments ranging from sensors applications to fundamental physics investigations. There is considerable interest in deploying photonics-based communication and science instruments in harsh environments such as outer space, where radiation damage is a significant concern. In this study, we have examined the impact of cobalt-60 γ-ray radiation up to 1 megagray (MGy) absorbed dose on silicon photonic devices. We do not find any systematic impact of radiation on passivated devices, indicating the durability of passivated silicon devices under harsh conditions.
Keywords: sensors, radiation, devices, outer space, silicon photonic, Passivated, Science Instruments, Harsh
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