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The space radiation induced displacement damage effects on the performance of the Silicon Drift Detector (SDD) based X-ray spectrometer has been studied using X-ray (Fe-55) and gamma ray (Co-60) radiations. The spectroscopic performance of the SDD based spectrometer degrades due to radiation damage during the transit and in-orbit operations. Silicon detectors are sensitive to displacement damage which...
We have developed Silicon Drift Detector (SDD) based X-ray spectrometer for the future planetary/space exploration missions. This spectrometer provides the energy resolution of ∼150 eV at 5.9 keV for the pulse peaking time of 3 μs and the detector kept at −40°C. The energy resolution of the SDD based X-ray spectrometer depends on the detector leakage current and the electronics noise associated with...
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