Abstract
A prototype system has demonstrated the capability to use a custom-designed multi-channel sensor to monitor high energy radiation strikes by coupling the silicon sensing elements with a radiation tolerant computer system. The computer system uses triple modular redundant soft processors and custom signal conditioning circuitry to monitor single event effects caused by high energy particles passing through semiconductor materials. The operation of the system was confirmed by exciting the radiation sensing elements with high energy krypton ions from a cyclotron and monitoring the number of current spikes generated by the generation of electron–hole pairs as the ions lose kinetic energy through collisions within the silicon lattice of the sensors.
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